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Beginning of Paper
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ACID RAIN
When fossil fuels such as coal, gasoline, and fuel oils are burned, they emit
oxides of sulfur, carbon, and nitrogen into the air. These oxides combine with
moisture in the air to form sulfuric acid, carbonic acid, and nitric acid. 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 com ....
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Middle of Paper
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.... of acid rain limited to the natural environment.
Structures made of stone, metal, and cement have also been damaged or destroyed.
Some of the world's great monuments, including the cathedrals of Europe and the
Colosseum in Rome, have shown signs of deterioration caused by acid rain.
Scientists use what is called the pH factor to measure the acidity or
alkalinity of liquid solutions. On a scale from 0 to 14, the number 0 represents
the highest level of acid ....
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ADDITIONAL FEATURED ESSAYS
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