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What kind of rain causes acid rain?

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Acid rain results when sulfur dioxide (SO 2) and nitrogen oxides (NO X) are emitted into the atmosphere and transported by wind and air currents. The SO 2 and NO X react with water, oxygen and other chemicals to form sulfuric and nitric acids. read more

Acid Rain is Caused by Reactions in the Environment Nature depends on balance, and although some rain is naturally acidic, with a pH level of around 5.0, human activities have made it worse. Normal precipitation—such as rain, sleet, or snow—reacts with alkaline chemicals, or non-acidic materials, that can be found in air, soils, bedrock, lakes, and streams. read more

Causes of Acid Rain. Both natural and man-made sources are known to play a role in the formation of acid rain. But, it is mainly caused by combustion of fossil fuels which results in emissions of sulfur dioxide (SO 2) and nitrogen oxides (NO x). 1. Natural Sources. The major natural causal agent for acid rain is volcanic emissions. read more

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