1. Acid Rain
... and 100 times more so than pH 6. Similarly, pH 9 is 1O times more basic than pH 8 and 100 times more basic than pH 7. The acid in acid rain comes from two kinds of air pollutants-- sulphur dioxide (SO2) and nitrogen oxides (NOx). These are emitted primarily from utility and smelter "smokestacks" and ... wood. When these pollutants reach the atmosphere they combine with gaseous water in clouds and change to acids--sulphuric acid and nitric acid. Then, rain and snow wash these acids from the air. Acid rain affects lakes, streams, rivers, bays, ponds and other bodies of water by increasing ...
- Word Count: 902
- Approx Pages: 4
- Grade Level: High School