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acid rain |
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acid rain, the precipitation of moisture, as rain, with high acidity caused by release into the atmosphere of pollutants from industry, motor vehicle exhaust, and other sources. Acid precipitation with a pH of 5.6 or lower is blamed by various authorities for numerous human health problems, fish kills, and the destruction of timber. Also called acid precipitation, acid snow. See also acid dust, acid flush, and acid mist. acid rain rain which contains materials, sulfates and oxidation products of nitrogen and sulfur particularly, produced by combustion of coal and oil in industrial processes and by motor vehicles; lowers the pH of water bodies; see acid waters; credited with local decline of fish culture. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | |
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Keeping the freighters a week's sailing
distance from land would probably save us from scare headlines about
sudden acid rains on farmers' heads, since about 30 percent of the
sulfur should rain out each day. |
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