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Essay / Research Paper Abstract
A 6 page paper presenting a general overview of air pollution. Causes and effects are discussed both in laymen's terms and with some chemical references. Bibliography contains 4 sources.
Page Count:
6 pages (~225 words per page)
File: D0_Airpollu.doc
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Unformatted sample text from the term paper:
resulted in the pollution, or contamination, of the environment. Much of the worlds air, water, and land is now partially poisoned by chemical wastes. Some places have become
uninhabitable. This pollution exposes people all around the globe to new risks from disease. Many species of plants and animals have become endangered or are now extinct. As
a result of these developments, governments have passed laws to limit or reverse the threat of environmental pollution. Factories and transportation depend on huge amounts
of fuel billions of tons of coal and oil are consumed around the world every year. When these fuels burn they introduce smoke and other, less visible, by-products into
the atmosphere. Although wind and rain occasionally wash away the smoke given off by power plants and automobiles, the cumulative effect of air pollution poses a grave threat to
humans and the environment. In many places smoke from factories and cars combines with naturally occurring fog to form smog. For centuries, London, England,
has been subjected to the danger of smog, long recognized as a potential cause of death, especially for elderly persons and those with severe respiratory ailments. Air pollution in
London originally resulted from large-scale use of heating fuels. (French, 1990). A widespread awareness of air pollution dates from about 1950. It was initially
associated with the Los Angeles area. The Los Angeles Basin is ringed for the most part by high mountains. As air sinks from these mountains it is heated until it
accumulates as a warm layer that rises above the cooler air from the Pacific Ocean. This results in a temperature inversion, with the heavier cool air confined to the surface.
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