Acid rain is caused by acidic pollutants in the air. Which of the following pollutants does NOT contribute to acid rain?

Acid rain is caused by acidic pollutants in the air. Which of the following pollutants does NOT contribute to acid rain?



A) ammonia, NH3

B) sulfur dioxide, SO2

C) nitrogen dioxide, NO2

D) nitric oxide, NO



Answer: A) ammonia, NH3


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