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Acid Rain 12
Part 1 of Paper
....acid rain, the trout stock died out in the mid-1970s and the perch stock at the beginning of the 1980s.
· Precipitation that is polluted by sulphur dioxide (SO2) and nitrogen oxides (NOX) is known as acid rain.
· Acidity is measured in pH units: the lower the pH, the more acidic the substance. Unpolluted rain has.... Part 2 of Paper
....sorb without damage are called critical loads.
· Sulphur, like nitrogen, is essential to all animals and plants. The natural sulphur cycle includes volcanic emissions, sulphate in sea salts, and sulphur compounds produced by marine organisms. On a global basis, emissions from such sources are of about the same order of magnitude as those from the combustion of fossil fuels (coal and oil), but like many other essential substances, sulphur is harmful in excessive amounts. Much of Europe and No.... |
| Number of words: 1314 - Approximate pages: 5 |
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