1. Acid Rain
... and the trees in turn intake these harmful metals through their roots. Figure 1-2 shows the damage that acid rain can to do a forest Human Health It is known that the earth contains many metals that are potentially dangerous to humans, such as lead, mercury, and aluminum. Most of the ... way to tissue in the lungs. Consequently, acid rain has an increased effect on people with respiratory problems. The U.S. Council on Environmental Quality estimates health-related problems due to acid precipitation cost the United States $2 billion per year.4 In August 1987, over one hundred people were ...
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