What is Acid Rain? | National Geographic

wallas (13)in #world • 7 years ago

7 years ago in #world by wallas (13)

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adoore-eu (64) 3 years ago

Acid rain is caused by human activities and unfortunately has effect on man and even animals

steemitboard (66) 6 years ago

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steemitboard (66) 5 years ago

Congratulations @wallas! You received a personal award!

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