Acid rain is caused when certain chemicals are released into the atmosphere, chemically react, and fall as rain or snow. Acid rain has a pH that is much lower than normal rainwater. pH measures if a substance is an acid or a base.
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[ Mature Teens ]
The history of acid rain, why it occurs, and how it can be prevented.
[ Mature Teens ]
The history of acid rain, why it occurs, and how it can be prevented.
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