Which contributes to acid rain? A. burning fossil fuels B. nuclear power C. solar power D. hydroelectric power

The answer is (A) burning fossils fuels releases excess amounts of CO2 (Carbon dioxide) which reacts with H2O in the atmosphere.

CO2 + H2O - > H2CO3

H2CO3 is known as carbonic acid.

Carbonic acid contributes to problems such as ocean acidification and can dissolve limestone (CaCO3) sculptures.

Shown by this reaction H2CO3 + CaCO3 - > Ca (HCO3) 2 producing Calcium Hydrogen Carbonate.

There are also different causes of acid rain such as Sulfur Dioxide (SO2) and Nitrogen Oxide (NO) which can cause respiratory problems.