What causes acid rain ?

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A Acids leaking from batteries of airplanes flying in the sky
B Chemicals released into the air by smoke from vehicles and factories
C Acid formation in atmosphere
D Condensation

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Answer: B. Chemicals released into the air by smoke from vehicles and factories

Gases like nitrogen oxides present in smoke released from vehicles and factories leads to formation of acids during condensation in the clouds.

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What causes acid rain ?

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