our history to date. With 60 million dead‚ that being over 2.5% of the world’s population‚ it is a history that we hope to never repeat; to govern this‚ it is vital that we identify the causes of the war‚ however difficult the task may be. Many historians have discussed the possibilities that three of the major causes of World War II might have been Treaty of Versailles‚ the struggle during the Great Depression‚ and movement towards‚ and the ultimate failure of Appeasement; these ideas are highly plausible
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Causes of Air Pollution Air pollution is the introduction of chemicals‚ particulates‚ biological materials‚ or other harmful materials into the Earth’s atmosphere‚ possibly causing disease‚ death to humans‚ damage to other living organisms such as food crops‚ or the natural or built environment. The atmosphere is a complex natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has
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Document 1 These excerpts are from Letters from a Farmer in Pennsylvania by John Dickinson. Dickinson was a Pennsylvania political leader who served in the Stamp Act Congress of 1765. Later in his career‚ he served in the Continental Congress‚ and later still‚ in the Constitutional Convention. In the following statement‚ Dickinson condemned some of the new taxes being imposed by Parliament. There is another late act of parliament‚ which appears to me to be unconstitutional‚ and ... destructive to
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a way to survive off the little money they were given or had left before the Great Depression went into affect. The Great Depression was not only a problem in the United States‚ but was a problem in many countries and was a worldwide problem. Some causes of the Great Depression were the Stock Market Crash in 1929‚ Bank Failures‚ buying items on credit with the Installment Plan‚ and the Smoot-Hawley-Tariff. When the Great Depression went into affect‚ many people moved to the cities and took all their
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AIR POLLUTION What is Air Pollution? Pollution is now a common place term‚ that our ears are attuned to. We hear about the various forms of pollution and read about it through the mass media. Air pollution is one such form that refers to the contamination of the air‚ irrespective of indoors or outside. A physical‚ biological or chemical alteration to the air in the atmosphere can be termed as pollution. It occurs when any harmful gases‚ dust‚ smoke enters into the atmosphere and makes it difficult
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The Causes and Effects of Air Pollution In China Hestia Cao I330003001 New York 04 May 2014 Air pollution is a type of pollution that particulates made by human being activities or natural causes were brought into the Earth’s atmosphere. When it achieves to sufficient concentration and adequate time‚ it begins to endanger people’s comfort‚ health‚ welfare‚ even damage to the environment that we live. Atmosphere is a mixture. It’s a mixture of Nitrogen (78.08%)‚ Oxygen (20.94%)‚ Rare gases
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Cause and effect of air pollution in China In my hometown‚ there are various forms of pollution‚ including air pollution‚ water pollution‚ noise pollution and so forth. However‚ perhaps the most devastating pollution in my hometown is air pollution. Since this menace is of concern to every human being‚ an examination of its causes and effects will be interesting and illuminating. The causes of air pollution seem to stem from carelessness or blatant unconcern. Every Sinic citizen who drives a car that
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Causes * Air pollution is the introduction of chemicals‚ particulate matter‚ or biological materials that cause harm or discomfort to humans or other living organisms‚ or damages the natural environment into the atmosphere * The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth ’s ecosystems. Natural sources
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plastic-def. A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable. Plastics are typically organic polymers of high molecular mass‚ but they often contain other substances. They are usually synthetic‚ most commonly derived from petrochemicals‚ but many are partially natural. Plastics Characteristics Plastics are made from fossil fuels--petroleum‚ natural gas‚ coal--‚ wood and some plant materials‚ air‚ water and sometimes other common materials
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The Great Depression lasted 10 years‚ from 1929 to 1939. It caused major panic and wiped out millions of investors. In the United States The Great Depression started soon after the stock market crashed. On October 24‚ 1929‚ the stock market bubble finally burst‚ as investors began dumping shares. A total of 12.9 million shares were traded that day‚ known as “Black Thursday.” Five days later‚ on “Black Tuesday” about 16 million shares were traded after more panic swept Wall Street. Millions of shares
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