Thursday, October 31, 2019

Based on the readings, what do you see as the biggest obstacles to Essay

Based on the readings, what do you see as the biggest obstacles to development of poorer nations What can be done about it - Essay Example development in these countries can be divided into four categories: Natural Resources, Human Capital, Poor Infrastructure, and institutional factors.2 However, the difference between the developing and the developed world lies in the human, physical and the socioeconomic environments of the nations in question. This paper has used different theories of development to explain the obstacle to development experienced by poor countries. Most of the poorer countries have inadequate resources including the fertile land. Availability of the resources can bring an increase in the productivity of the economy. In most developing nations, there is shortage of land due to the high population. Lesser land leads to significant fall in cultivation which is the main source of income in the poor nation. This in turn leads to the fall on the nations’ productivity known as the Gross Domestic Products.3 The situation is even worse since these countries have not tapped the technological practices in their productivity. According to the Exogenous Growth theory lack of technology makes it hard for a country to develop. Technology acquisition enables high production per unit of a natural resource like land when it comes to agriculture.4 The land in most of the developing nations is also so much fragmented due to socioeconomic issues such as passing the land to the next generation and the attempt by government to ensure equitable distribution of resources in these areas. It is good to understand that most of these nations over- depends on land which is the backbone of the developing world economy. There is therefore much tension when it comes to land issues.5 Most of the Sub Saharan African countries have vast natural resources that include oil and gold. This line of argument is in agreement with the Exogenous Growth Theory that the problem comes in the identification and affordability of technology that would help in the discovery of mineral deposits.6 This has led corrupting during

Tuesday, October 29, 2019

Furniture Manufacturing Company Management Essay

Furniture Manufacturing Company Management - Essay Example Company Act 2006 Sec 177 requires all directors of a company to avoid conflicts of interest by declaring their interest in a proposed arrangement or transaction. Such declaration must be made by a written notice, a general notice or in a meeting of the directors. Company Act 2006 under Sec 182 (1) requires the directors to declare their interest in any transaction or arrangement that has been entered in to by the company whether direct interest or indirect interest in a transaction. In the above case, Tom has contravened Company Law provisions on duty to disclose conflict of interest in awarding Computers4Us the ICT contract. Section 175 (1) which deals with conflict of interest requires all directors to avoid all situations which have either direct or interest which conflicts or may conflict with the interest of the company. The above case is a situational conflict of interest since Tom’s father is the owner of Computers4Us which will lead to transactional conflict since Tom is in a position to benefit from the ICT contract. Tom is criminally liable for breach of Company Act to avoid conflict of interest thus is liable to a fine. While Company Act 2006 does not give a definition of â€Å"interest†, the duty to avoid conflict of interest will apply in situations that can lead to exploitation of information, opportunities and company property. Tom is both an executive director and significant shareholder in Imperial Ltd and his connection with Computers4Us has the potential may be adverse to the Imperial Ltd interests since it will influence the decisions made by the company. Although not expressly included in Company Act 2006, Tom should have declared his interest in Computers4Us since the term â€Å"connected† in the Act is wide enough to include spouses, step-children, director’s parents and civil partners of the directors. Tom and Harry are both executive directors and shareholders of Imperial Ltd. Possibly; Tom’s sharehold ing influenced the decision to award Computers4Us the ICT contract. Tom as an executive director is fully aware that his father owns Computers4Us. In the above case, Tom should have declared his conflict of interest and the fact that his father owns Computers4Us to the board of directors either during the meetings, in writing or by just a general notice. Harry is free to sue for the cancelation of the contract since it contravenes the provisions of Company Act 2006 (Worthington and Sealy 2007). For private companies formed before 1st October 2008, the directors have not automatic powers to approve any conflict of interest unless they amend the articles of association or pass a resolution to grant the directors such powers. For private companies formed on or after October 1st 2008, the board of directors has the powers to authorize a conflict of interest unless it is invalidated by the articles of association of the company (Davies 2010). However, in deciding to authorize the above c onflict of interest, the directors of any private company must comply with Company Act 2006 provisions including the duty to promote and safeguard the welfare of the company. Additionally, the resolution to authorize the conflict of interest should be done

Sunday, October 27, 2019

Red Meat and Protein

Red Meat and Protein Avitta Olivero    Red meat as a source of protein Introduction Meat and processed meat products are a vital source of protein, lipids and other nutritionally important functional constituents which are essential components in a human diet. The two main categories of meat are red and white meat. As per nutritional concepts, the red meat is referred to as the one which is reddish in appearance in raw state and has an elevated myoglobin content in it. Red meat category which is highly consumed by humans include beef, lamb, pork and processed meat products. White meat is the one with a pale appearance and mainly includes poultry, veal and rabbit. Protein are macromolecules which are composed of long chains of amino acids and are referred to as the building block of the body as it is present in every single cell in the human body. It is vital to include protein containing food in the diet as it essential for major functions include growth and repair and is a major energy source of the body. Among the different food stuffs meat and meat products supplies the necessary protein in human diet. Protein is present in both the vegetarian and non-vegetarian food. As per the New Zealand nutrition foundation animal food as well as plant sources such as soya and quinoa supplies the essential amino acids which are important for the body functions. This essay specifically focusses on analysing the importance of Red meat as a source of protein. Literature review Nutrient profile of meat A critical analysis on the nutritional composition of any food is essential for any study on human nutrition. Meat has become an integral part of human diet. Meat is a complex structured food which includes components of biological value such as micronutrients (minerals and vitamins), proteins, fats and low level of carbohydrates. As Per the Food Standards Australia New Zealand the meat includes the flesh with skeletal muscle and fat as well as offal which include the internal organs of the animal. Meat comprises about 75 % moisture content 20 % protein, 3 % lipid and 2 % soluble non-proteinaceous compounds (Briggs Schweigert, 1990). Meat serves as a vital source of proteins, vitamins such as vitamin B6, B12 and vitamin D, Omega-3 unsaturated fatty acids and minor levels of trace elements such as zinc, iron, phosphorus, bioactive compounds like carnitine, carnosine, ubiquinone and several antioxidant compounds. All these nutritional contents of meat make it an essential component of human diet (Williams, 2007). Importance of Protein in human diet   Ã‚   Proteins are nitrogenous compounds which are constituted of amino acids. There are about twenty aminoacids which are vital for the growth and other cellular functions. Amino acids are mainly categorised in two: essential and non-essential aminoacids. Non-essential aminoacids are those which can be synthesized by the body and those which cannot be synthesized by the human body and supplied via the diet are essential amino acids (Hoffman Falvo, 2004).Animal protein is the appropriate source of protein as it includes the essential amino acid content in it and hence it is essential to in include animal based food in the diet. Animal based food include meat and meat products (Pighin et al., 2016). Red Meat protein Meat is composed of higher concentration of proteins which includes the structural proteins such as myofibrillar protein, sarcoplasmic proteins and proteins that are present in connective tissue such as collagen and elastin (Pighin et al., 2016). Meat is a complete source of protein as it includes all essential amino acids such as lysine, threonine, methionine, phenylalanine, tryptophan, leucine, isoleucine, valine. Protein concentration differs in both raw and cooked meat as the nutrients get more concentrated during cooking process due to the depletion of water content in the meat and the meat proteins exhibit higher digestibility ratio. As per the studies, 100g of raw red meat contain about 20-25% of protein whereas in 100g of cooked red meat the protein content is about 28-36% as the protein profile is modified after the cooking process. Beef and pork are considered to have the highest protein content in them. The U. S Dietary Reference Intake (USDRI) recommend a daily intake of 0.8g/kg of protein for adults which is the basic requirement for the proper functioning of the body and this prescribed intake rate of protein by USDRI lowers the incidence of cardiovascular diseases, osteoporosis and diabetes particularly type-2 diabetes (McNeill, 2014). Evaluation of meat protein quality Protein digestibility corrected amino acid score(PDCAAS) is a standard methodology recommended by world health organization and food and agriculture organization (FAO/WHO) to estimate the protein quality. In this method the protein quality is estimated by expressing the content of the first limiting essential amino acid of the test protein as a percentage of the content of the same amino acid content in a reference pattern of essential amino acids (FAO/WHO, 1990). The resultant value obtained by this method was taken as the protein digestibility corrected amino acid score (PDCAAS) and highest possible score in this method is 1.0. As per the PDCAAS method the protein quality score of red meat is estimated to be 0.9 whereas the protein quality score is between 0.5-0.7 for plant based food. According to Schaafsma, the protein digestibility corrected amino acid score is considered to the reliable method for estimating the quality of proteins consumed in the human diet (Williams, 2007). Table showing the protein quality rankings according to FAO/WHO (Williams, 2007). Near-infrared spectroscopy Near infrared reflectance (NIR) spectroscopy is an ultra- sensitive, rapid and less complicated analytical technique that aids in the assessment of chemical constituents present in the meat sample (Osborne, Fearn, Hindle, 1993).Near infrared spectroscopy is an advanced method that is widely employed in the quantitative analysis of fat, protein and moisture content in meat and meat products. The differentiation between various classes such as beef and kangaroo meat, chilled and non-chilled beef was possible by the near-infrared spectroscopy method. Sample preparation has a vital role in this method as the non-homogenised muscles absorb bulk amount of energy and generating a less accurate reflectance pattern in comparison with the non-homogenised muscle sample. Inaccurate preparation of meat samples adversely affected the clarity of the prediction of chemical composition of meat sample is equivalent to the protein quantity of the food sample.(Prieto, Roehe, Lavà ­n, Batten, Andrà © s, 2009) Other nutritional constituents of red meat   Ã‚   Fat Fat is considered as the important repository of energy that supplies the necessary fatty acids and serves as precursors for various metabolic mechanism in the body. The fatty acid content in red meat are saturated in nature because the unsaturated fatty acid is transformed to saturated form by the microbes present in the rumen. The major saturated fatty acids present in red meat are palmitic and stearic acid. The fatty acid content varies when the fat is trimmed off from the meat.(Gerber, 2007) Vitamins Vitamins are organic compounds that are present in minor concentration in food and are important for metabolic functions. The major vitamins present in meat and meat products include vitamin B12, B1 (thiamine), B6 and vitamin D. vitamin B6 acts as a coenzyme for several chemical reactions in the human body such as gluconeogenesis. The vitamin B6 concentration are expected to be in the range between 0.40-0.6mg/100g of meat. Vitamin B12 which is commonly known as riboflavin. The vitamin B12 involved in human metabolic process includes the Methyl cobalamin and 5-deoxyadenosyl cobalamin (Rivlin Pinto, 2001). Vitamin B1 is vital for normal cellular functions and serves as a coenzyme in various chemical process in the body. (Gerber, 2007) Minerals and trace elements The major minerals which are prevalent in red meat are the iron and zinc. The highest concentration of these minerals is observed in beef and pork meat(Williams, 2007).The iron content present in red meat is the heme iron rather than the non-heme iron contained in plant based foods. The heme iron is readily absorbed by the human body and this absorption rate is enhanced by the protein present in red meat. In meat, the factors such as phytate, tannin, oxalate and fibres are absent in red meat which can adversely affect the iron absorption rate. Similarly, the zinc absorption from animal based food is relatively higher than that from plant based food stuffs. The vital trace element found in meat is the selenium which are an integral part of selenoproteins which includes enzymes that are involved in important process such as anti-oxidative defence mechanism, synthesis of thyroid hormone and nucleic acid (DNA), fertility and reproduction.(Gerber, 2007) health benefits of Red meat consumption Emergence in the research of red meat as a source of high bioavailable irons, high grade protein and other essential nutrients is on high as great importance is given in the improvement of stamina and vitality. Middle age and beyond requires more consumption of high grade protein which is essential for the maintenance quality of life associated with the required muscle strength and mass. Protein causes a stimulation effect on the anabolism of muscle protein. (McAfee et al., 2010)Amino acids present in red meat are branched chain amino acids, which are necessary for the synthesis of protein. Red meat contains the highest amount of branched chain amino acids. (Ford Caspersen, 2012) Demerits: Previous studies reveal people with excess intake of red meat have been found to have higher cholesterol and higher plasma concentration of total cholesterol and Low-density lipoprotein (LDL) cholesterol and triglycerides(TG) as compared to low and medium consumer of red meat as well as vegans and vegetarians. There have also been studies showing significant relation between red meat and risk of colon cancer. Cooking red meat at higher temperature leads to the development of mutagenic compounds such as HCAs and polycyclic aromatic hydrocarbons (PAHs) which are responsible for various cancers. There are also evidences that show the saturated fatty acid content in red meat can be linked with chronic heart diseases. (McAfee et al., 2010) Summary Red meat is a rich source of nutritionally rich compounds which are essential in a human diet. Meat is a potent source of protein and it supplies the major amino acids that cannot be synthesized by the body termed as essential amino acids. The nutrient composition of meat includes fat, essential amino acids, vitamins, minerals and trace elements that makes it an inevitable part of human diet. Certain studies do show red meat is harmful when consumed in higher amounts and when cooked at higher temperatures, hence a proper monitoring on the cooking practices and consumption of red meat is essential to maintain a healthy diet. References Briggs, G., Schweigert, B. (1990). An overview of meat in the diet. Advances in meat research (USA). Ford, E. S., Caspersen, C. J. (2012). Sedentary behaviour and cardiovascular disease: a review of prospective studies. International journal of epidemiology, dys078. Gerber, N. (2007). The role of meat in human nutrition for the supply with nutrients, particularly functional long-chain n-3 fatty acids. ETH. Hoffman, J. R., Falvo, M. J. (2004). Protein-Which is best. Journal of Sports Science and Medicine, 3(3), 118-130. McAfee, A. J., McSorley, E. M., Cuskelly, G. J., Moss, B. W., Wallace, J. M., Bonham, M. P., Fearon, A. M. (2010). Red meat consumption: An overview of the risks and benefits. Meat science, 84(1), 1-13. McNeill, S. H. (2014). Inclusion of red meat in healthful dietary patterns. Meat science, 98(3), 452-460. Osborne, B. G., Fearn, T., Hindle, P. H. (1993). Practical NIR spectroscopy with applications in food and beverage analysis: Longman scientific and technical. Pighin, D., Pazos, A., Chamorro, V., Paschetta, F., Cunzolo, S., Godoy, F., . . . Grigioni, G. (2016). A Contribution of Beef to Human Health: A Review of the Role of the Animal Production Systems. The Scientific World Journal, 2016. Prieto, N., Roehe, R., Lavà ­n, P., Batten, G., Andrà ©s, S. (2009). Application of near infrared reflectance spectroscopy to predict meat and meat products quality: A review. Meat science, 83(2), 175-186. doi:http://dx.doi.org/10.1016/j.meatsci.2009.04.016 Rivlin, R. S., Pinto, J. T. (2001). Riboflavin (vitamin B2). Handbook of vitamins. 3rd ed. New York: Marcel Dekker, 255-273. Williams, P. (2007). Nutritional composition of red meat. Nutrition Dietetics, 64(s4), S113-S119.

Friday, October 25, 2019

The Sociology Analysis of Food and Food Ways Essay -- Sociology, Comme

Sociology is the study of society and people. Food and food ways are often elements associated with particular societies and therefore, studying such a topic can offer valuable insight into the ways of that society and the people who live in it. Although eating is a vital part of survival, with whom, how and where we eat are not. Studying such ways can illustrate and represent the identity of a person or group. The nature of people and their beliefs can be indicated when analysing their food habits. Who individuals eat with is a particularly revealing factor into gaining an understanding of their identity, culture and society (Scholliers P 2001). For this reason commensality is a term frequently used in sociological research concerning food and food ways. Commensality can be defined as the notion of eating with others. It is the act of two or more people consuming a meal together (Pearsall J 1999). The purpose of commensality is much more than that of allowing survival. It pushes beyond this and becomes a practice of socialisation. Anthropologist Martin Sahlins suggested that not only does it provide opportunities for people to integrate socially, but that it can be the starting factor and maintaining factor in which enables relationships to form and develop. For example, he found that at the beginning of relationship formation commensality tends to involve the sharing of drinks and snacks. As relationships develop the meals become more complex. He claimed that the traditional cooked dinner of meats and vegetables is one mainly shared among families and rarely with friends (Lupton 1996). This suggests that commensality is often used as an expression of closeness and the extent of such closeness can be discovered by looking at ... ...ldhood in Food, the Body and the Self by SAGE publications in London, England Mail Online NEWS (2010) Eating dinner at the table is 'dying out', says survey [online] available assessed 13/02/2012 Pearsall J (1999) The Concise Oxford Dictionary Tenth Edition page 286 by Oxford University Press in Oxford New York, America Scholliers P (2001) Meals, Food Narratives and Sentiments of Belonging in Past and Present and Chapter Two Commensality and Social Morphology: An Essay of Typology Claude Grignon in Food, Drink and Identity Cooking, Eating and Drinking in Europe since the middle Ages by Berg in New York, America Tapper T and Palfreyman D (2010) The Collegial Tradition in Higher Education in The Collegial Tradition in the Age of Mass Higher Education by Springer in United Kingdom

Thursday, October 24, 2019

The Munich Putsch 1923 – source related study

1. Source C, Prelude To Terror was written by Richard Hanser in 1971 and seeks to discredit Hitler and show him as a coward we know this because he says that Hitler pretended he was shot dead and then fled from the scene of battle. And he also wrote â€Å"at no point did he behave heroically† and â€Å"he did not exactly cover himself with glory†. Hanser also wrote sarcastically that it is extremely hard or maybe impossible for the average man to lift someone even if he or she was a child. â€Å"Not an easy thing to do with only one arm in working order†. By saying this Hanser thinks the event about Hitler saving a little boy is a story, he thinks source B by John Toland is a story. Source B is a story made up by the Nazis while source C is more likely to be what had actually happened. Source B on the other hand was published by John Toland in 1976 and is sympathetic towards Hitler, he uses words such as â€Å"painfully†, â€Å"struggled†, â€Å"slowly† and â€Å"agony† to describe how. John's sympathy continues by John describing how Hitler looked whilst he was escaping, he had a â€Å"pale face†, â€Å"cradling his injured arm† and his hair was â€Å"falling over his face† , according to John's description of what Hitler looked like when he escaped from the battle. Then John Toland said Hitler wanted to pick up a little boy who was â€Å"bleeding profusely†, and carry him to safety but schultze (Hitler's driver) told him not to and called someone else to take him. Source B views Hitler as a hero who cares deeply of Germany and it's citizens. John seems to have based this source on Nazi myth. The writer of source C wants to show Hitler as a coward. Hanser thinks that the Nazis made up a story about a little boy, this story is source B. 2. Source A is written by Konrad Heiden and is more likely to be true then sources B, C and D. It is more reliable then these sources because source A contains information provided by a witness that was their probably at the time of the Munich Putsch and saw the event. However witnesses are people who can forget over long periods of time, the witness information of source A was retrieved thirteen years after the event in which he or she could have forgotten. The witness could lie or be biased because he or she might want Hitler to look bad, as he does in Konrad Heidens witness account. Witnesses can get confused over long periods of time if they not clear of what happened and can slightly change the fact if they give their view of what happened. However eyewitnesses have seen the event that they talk about. A witness, as in one witness is less reliable then several witnesses. If witnesses agree on an event that event is more likely to be true then a single witness who could be biased, lying, confused or forgotten about what happened. Source A agrees with sources C and E. Source B is probably the least reliable out of all the four sources because, for a start it does not agree with any of the sources except unreliable source D. Which means that it probably is not true. The writer of source B, John Toland had his view of the Munich Putsch published fifty-three years after the event so probably got his information from secondary sources. If there were witnesses or a witness account in the source then John probably would have stated it. It is unlikely that a witness could survive for over sixty years of age And if he/she did, it would be hard for he/she to remember from the age of about seven. Witnesses or a witness could have forgotten over a long period of time such as fifty-three years. It is unlikely that John's source had been assisted by a witness or witnesses. Source B is based on the Nazi propaganda of making Hitler and the Nazi party appear the fittest party for ruling Germany. Source B is very unreliable. Source C was written forty-eight years after the Munich Putsch so also probably was not aided by any witnesses. Richard Hanser the writer of source C agrees with source A that Hitler acted cowardly during the event. Richard says, â€Å"at no point did he behave heroically†. Page 2 Source A says Hitler â€Å"was the first to get up, run backwards and drive away† which means source A also views Hitler as a coward. Although no witnesses were used to assist source C, source C agrees with the witness assisted source A. Source C is reliable. Source D is a section of the Social Democrats election poster. All parties are expected to discredit all other parties so that they win the most votes and rule. This is what the Social Democrats are doing with source D. We can see this because the election poster says Hitler was â€Å"lying flat on his belly in front of the Feldherrnhalle†, a building near to where the shooting took place. And that he â€Å"crawled† into a car. The poster uses words like â€Å"crawled† and â€Å"belly† to suggest that Hitler was like a worm, weak and slow, and to say Hitler was not heroic. â€Å"Whoever is ill can seek his help with complete confidence† by saying this. The Social Democratic party wants people to think Hitler is weak and slow concerning the ruling of Germany and that everyone knows this. The election poster is biased towards Hitler and the Nazis because they want people to vote for them and not other parties like the Nazis. Basically source D is propaganda for the Social Democrats to win votes, this source is very unreliable. Source E is the most reliable because it was aided by several witnesses, one of those witnesses was Dr Walter Scultz, a German doctor. All the witnesses agree that Hitler did not act heroically, what makes the source much more reliable is that Dr Walter Scultz also mentioned in the source that Hitler did not behave heroically. Shultz is a German doctor, so you would expect him to lie and say that Hitler was a hero. All of the witnesses agree that Hitler â€Å"was the first to get up and turn his back† and that Hitler â€Å"spirited off to the country home†¦. Where Putzi's wife and sister nursed him and where two days later he was arrested†. These quotes backed up by several witnesses further the reliable theory that Hitler is a coward and not a hero. The doctor did not lie, this is what makes this evidence more reliable then all of the other sources, including source A. The writer of source E seems to have checked the witness accounts with other sources of evidence to make sure the witnesses are telling the truth. Source E is supported by the reliable sources A and C. 3. A writer like John Toland would face the following problems when trying to research exactly what happened during the Munich Putsch in 1923. Firstly he would need to find witnesses because witnesses are a very reliable source of Information. Because John Toland's written piece of information was published in 1976 It would be hard for him to find witnesses since most would be dead (humans live for about fifty to sixty years). If he did find a witness that witness would be very old, about seventy and would probably not remember exactly what happened. The witness would not be very clear on what happened and probably would have forgotten parts of what happened during the Munich Putsch. He/she has the ability to lie, be biased or he or she might have forgotten what happened over such a long period of time. A witness's memory could be poor or the witness might be confused or might not be sure what happened. A witness may not be willing to give information about the event or might be ashamed that they took part and deny that they took part, they might hide the fact that they were there. The available evidence could be propaganda, it could have been made up or changed to make someone change the way they think, or to cover up a mistake made by a person or group of people. A writer like John Toland might face problems with documents, documents can be propaganda or biased to one side. Incriminating evidence could have been destroyed after or during a war to hide or censor information. Because of the long time between John Toland's written source and the Munich Putsch primary evidence such as photographs and written information could have been worn out and be difficult to see or read. Also to take into consideration by a writer like Toland is that a photograph could be made up/posed for, or changed. A way of telling if a photograph has been posed for is if the people in it are looking directly at the camera or if a large number of them are facing the camera. If people in a photograph look surprised or if a few or none of the people in it are facing the camera, that photograph probably is genuine. To check if a photograph has been changed it will have to be viewed by a powerful magnifying glass or high tech computer to check for any unusual aspects. Written documents can also be forged, destroyed or could have been worn out so that it would be difficult to read or impossible to read. To check if a document was forged the document Page 3 suspected of being forged should be compared with a genuine document if possible. Torn documents can be pieced together like a puzzle if its pieces were found. 4. An opinion is a point of view; it is what a person thinks about something. Opinions are not capable of being true; an opinion cannot be used as proof. The example of an opinion from source C I have chosen is â€Å"at no point did he behave heroically†. The reason I chose this is because whether a person is a hero or not depends on how a person thinks and feels. This is an opinion, not a fact; it is not necessarily true. A person might say that Hitler was a leader of an army, he should be brave and help his soldiers/secret police in any and every way possible. He should set an example and raise their morale. He should not be throwing himself down as soon as the shooting began and then running away when he got the chance, he should have fought back and helped his men. This is an opinion. Another person might say that a leader of an army should throw himself down for cover and then run away for safety. This is another opinion. They are both two very different opinions. It all depends on a point of view. An opinion is a point of view it can not be fact. However it can still help to find the truth. 5. The fact that reference is made in source E to the testimony of a witness makes it likely to be more reliable than sources B and C. The reason being that source E has been aided by several witnesses that all agree. Witness evidence is a very reliable source of evidence because an eyewitness has actually seen and heard the event; he/she has been there at the time. However witnesses evidence can also be unreliable. An eyewitness can lie, be biased or confused. They might do these thing to cover up their blame, or they might have regretted something, they might be biased because they may want something or someone To look better then it is/was. They might have forgotten about the event or what had happened during the time because so much time has gone by. They might not be clear on what happened or might get mixed up and changed what actually happened, (the fact) to a different story or opinion. Source E is backed up by a Nazi doctor, who would be likely to say that Hitler acted heroically, but he did not say this, in fact he said the opposite â€Å"Hitler was the first to get up and turn back†. Although sources C and B have not been aided by witnesses (no witnesses were mentioned in these two sources), and they have been based on secondary sources; source C is supported by source E in that they both display Hitler as not heroic and cowardly behaved during the Putsch. Sources B and C were published around fifty years after the Putsch, this makes them likely to have been based on secondary sources and withought witness evidence; since witnesses can not usually live long enough up to that time. Source B is not supported by any evidence and seems to have been based on Nazi propaganda, John Toland seems to have not check his piece of writing with other sources. Source B has not been supported by any witness evidence. Source B is the least reliable out of sources E, C, and B. 6. Source E best supports the explanation of events offered in source A because both of these sources give similar accounts of what Hitler did when the Munich Putsch was occurring. Here is an example of what I mean, in source E, William L Shirer, the writer, says Hitler â€Å"was the first to get up and turn back†. He also said â€Å"Hitler was the first to scamper to safety†. Similarly to both of these quotes from source E, source A's writer Konrad Heiden has written that Hitler â€Å"was the first to get up, run backwards and drive away†. The last part. In source A it is also said that Hitler did â€Å"drive away† during the putsch, source E also states Hitler â€Å"hustled into the waiting motor car†. The final similarity in both sources is that Hitler's soldiers were left behind when Hitler fled from the gun battle. In source A it is written that Hitler left â€Å"whilst hundreds of his comrades were still lying on the ground†, in source E it is written Hitler was â€Å"leaving his dead and wounded comrades lying in the street†. 7. A historian would need to consider a large amount of things when using a photograph (source F) and painting (source G), as evidence of the Munich Putsch. He/she will need to know that a photograph can be a reliable source of evidence, but they can be posed for or faked after the Putsch, which can make them unreliable. Page 4 Source F looks realistic because- * The people in it are not facing the camera, in fact most of their backs can be clearly seen, therefore it was not posed for * There are armed soldiers in it carrying rifles, short lances and they are mounted on horses This means there was, still is or is going to be trouble, probably between armed people. * The crowd of people in it are looking to the right of the photograph, where something out of the ordinary is happening, has happened or is going to happen, this is where the trouble is The historian needs to consider why this photograph was taken and who took it. Source F was probably taken by a passer by or by a journalist for a newspaper. He or she has to consider when it was taken. In source F's case it was in 1923 on the 9th of November, the same day the Munich Putsch took place, this makes it more reliable. Source F does not attempt to spread a message to its viewers, it is neutral; a historian needs to be able to check whether a photograph is trying to convey a message or if a photograph is just displaying pure facts. A historian needs to know that a painting does not usually intend to tell the truth, it displays what the artist thinks about something. Source G is what its artist thinks about the Beer Hall Putsch. This particular painting is Nazi propaganda, it was painted in 1933, ten years after the Putsch when Hitler came to power. It was probably painted to make Hitler seem like a powerful leader who the German people can trust and to make him and the Nazi party more popular. We know this because in the painting Hitler is standing high above all the other people and he is speaking confidently, we know he is speaking confidently because he is using arm movements to enforce his views and to make the people easily understand what he is saying. All different kinds and classes of German people are shown behind Hitler, listening very carefully as if they want what Hitler is saying to become true. For any paintings and photos to be accepted as evidence they should be checked for reliability against as many sources as possible.

Wednesday, October 23, 2019

Flame Tests Lab Report Essay

The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to identify other elements. Another purpose is to understand how fireworks work. This experiment will help one understand how a flame test is performed and that every metal has a unique bright line spectra. This means a bright line spectra can be used to identify any element. This information can be used to identify elements in space to tell whether a planet has oxygen on it or not. If one can tell if a planet has oxygen on it based on its bright line spectra, research could be done to tell if people can live on the planet or not. This would be a huge advance in science if it was possible to tell if people can live on other planets by knowing the elements on the other planets. This would solve the problem of the world becoming over-populated and would help prevent the spread of disease. Introduction- The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to identify other elements. Another purpose is to understand how fireworks work. A flame test is used to identify certain metals in a compound or single element.1 When an electron jumps up to a higher energy state the element is in its excited state. Elements are only in their excited for a brief moment. When the electron moves back down to a lower energy state, it emits light and produce a flame color.1 Sometimes there is more than one flame color because an electron might go from the 4s orbital then go to the 2p orbital which means two colors will be produced. Every element emits a different flame color or colors. These colors can be put on a bright line spectra which shows every color that the element produces in a flame test.1 Each element has a unique bright line spectra and thus can be identified by using its bright line spectra. When the element is in a compound, it can be burned to produce the flame. The color of the flame corresponds with each element. When there is an unknown compound, the metal can be found by using previous data from previous tests. By looking at the color you can see if it matches any previous tests and possibly find the name of the metal. Flame tests can also be used to find the color of fireworks one wants to use. By using the metal that emits the color one wants in fireworks, one can get the desired color. This experiment will be conducted using the same spatula, the same Bunsen burner, the same kind of acid and nitrate bonded to every one of the metals. It will also be conducted with everyone in the lab using safety goggles and everyone wearing closed toed shoes. There are no relevant waste concerns in this lab This experiment will show that every element has a different bright line spectra and this can be used to identify elements in space or anywhere. It will also show that flame tests can be used to make certain colored fireworks. I predict that all of the metals tested will emit different colors of light. I also predict that all of the metals will emit a color in the visible spectrum. Materials- †¢Chemical Splash Goggles †¢Well Plate †¢Marker Pen †¢Barium Nitrate (Ba(NO3)2) †¢Copper Nitrate (Cu(NO3)2) †¢Strontium Nitrate (Sr(NO3)2) †¢Lithium Nitrate (Li(NO3)) †¢Potassium Nitrate (K(NO3)) †¢Sodium Chloride (NaCl) †¢Calcium Nitrate (Ca(NO3)2) †¢Nichrome wire loop †¢Beaker, 50-ml †¢Hydrochloric Acid †¢Lab Burner †¢Wash Bottle with distilled water †¢1 Unknown Solution Experimental- The safety equipment was put on. The spatula was cleaned off to make sure there is no residue on it. The Bunsen burner was set up and the flame was adjusted to the desired height. One of the samples was put on the  spatula and the formula of the salt solution was recorded into Table 1. The spatula with the salt solution was put over the flame. The color of the flame was recorded in table 1. The spatula was put in hydrochloric acid, then put into water, and then put over the flame to burn off any residue from the salt solution. This procedure was repeated for the other seven salt solutions and the one unknown solution. The equipment was cleaned off and put away at the end of the experiment Data- Table 1: Table 2: Table 2: Test of Unknown Solution Unknown Color K(NO3) Light Orange Results and Discussion- The data in table 1 shows that every metal tested emits a different color during a flame test. This happens because every metal has a different bright line spectra. Table 2 shows that you can identify a metal in a compound by using a flame test. The metal in the compound was identified by the light orange color seen during the flame test. Table 1 proves my hypothesis to be correct. Conclusion- The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to identify other elements. Another purpose was to understand how fireworks work. This experiment can help to identify elements in space to help scientists know whether a planet has oxygen or not. It can also help one determine what metal to use in fireworks to portray a certain color. The experiment was conducted by burning a salt and recording the color of the flame. This experiment showed that every metal emits a different color and this proves the hypothesis to be correct, that every metal emits a different color when put into a flame. This experiment also shows that a metal can be identified by looking at the color of the flame and matching it to previous data results. This also proves my hypothesis to be correct. Table 1 and Table 2  prove both of my hypotheses to be correct. More experiments can be done with machines to find the exact wavelengths of light for every element. If the exact wavelengths can be found, it would be easier to identify elements with a flame test. Possible sources of error in this experiment were that the nichrome wire may not have been fully cleaned off every time, the color might have looked different because of other light sources, and there could have been particles in the bottom of the Bunsen burner. Acknowledgments: The author of this paper thanks Union Springs High School for use of their facilities to conduct this experiment with.