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Beginning of Paper
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Acid Rain
Acid rain is a common term for pollution caused when sulfur and nitrogen dioxides combine with atmospheric moisture to produce a rain, snow, or hail of sulfuric and nitric acids. Such pollution may also be suspended in a fog, or the pollutants may be deposited in dry form. Environmental damage from acid rain has bee ....
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Middle of Paper
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.... sulfur dioxide emissions, the United States has not placed limitations on its sulfur emissions that may drift into Ca Scientists agree that acid rain is harmful, but reports concerning its severity conflict. A U.S. government report issued in September 1987 minimized the environmental damage caused by acid rain and concluded that the acid-rain problem is not increasing. A 1988 survey conducted by the Environmental Protection Agency, however, indicated that streams in the eastern United States were more acidic than was previously believed. In 1990 the National ....
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SUBJECTS
