1. Acid Rain
... have a certain level of acidity but acid rain has too much acid in it. Acid rain is a complicated problem, caused by air pollution. Acid rain's spread and damage involves weather, chemistry, soil, and the life cycles of plants and animals on the land and from acid rain in the water. Acidity is measured using a pH scale, with the number 7 being neutral ... ...
- Word Count: 1344
- Approx Pages: 5
- Has Bibliography
- Grade Level: High School