12. Which situation is an effect of acid rain?

A deaner rivers

B. destroyed forests

C. buildings and statues that look new

D. increased automobile manufacturing

Answer: I would say A

Explanation: The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes

D) Increased automobile maufacturing

Explanation:

Acid rain is caused by chemical reactions when oxides are released into the atmosphere. These oxides (such as sulfur dioxide and nitrogen oxide) mix with oxygen and carbon dioxide high up in the atmosphere and produce pollutants such as acid rain. Factories produce these in the smoke and pollutants they put out as they are producing, so the increased manufacturing of automobiles in factories such as these ones that pollute the environment would contribute the cause of acid rain.