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Acid Rain 12
Start of Term Paper
Lake Barkevatn in Aust-Agder county used to have healthy stocks of trout and perch. As a result of 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 sul .... Middle of Term Paper
... the acidity of rain and snow recently. Total emissions of sulphur in Europe were reduced by more than 40 per cent from 1980 to 1993. In the same period, Norway's emissions were reduced by more than 70 per cent.
· As a result of higher precipitation in recent years, sulphur deposition has not dropped as much as might be expected from the reductions in emissions.
· Estimates of how much pollution the environment can absorb 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 produ ... |
| Number of Words: 1314 |
Approximate Pages: 5 |
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