Acid rain 2

Submitted by: Louis

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When it rains or snows, these acids are brought to Earth in what is called acid rain. During the course of the 20th century, the acidity of the air and acid rain have come to be recognized as a leading threat to the stability and quality of the Earth's environmentMost of this acidity is produced in the industrialized nations of the Northern Hemisphere--the United States, Canada, Japan, and most of the countries of Eastern and Western Europe. The effects of acid rain can be devastating to many forms of life, including human lifeIts effects can be most vividly seen, however, in lakes, rivers, and streams and on vegetationAcidity in water kills virtually all life formsBy the early 1990s tens of thousands of lakes had been destroyed by acid rainThe problem has been most severe in Norway, Sweden, and Canada. The threat posed by acid rain is not limited by geographic boundaries, for prevailing winds carry the pollutants around the globe