xxliv4444xx xxliv4444xx

22-05-2017
Biology

contestada

What causes acid rain? A) reactions between industrial or automotive emissions and water vapor B) agricultural chemicals running off into waterways C) chlorofluorocarbons (CFCs) reacting with ultraviolet light and ozone D) a combination of smoke and fog

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crystalconyers crystalconyers

22-05-2017

it is b i believe.......

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