Answer:
Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.
A because water is collected in clouds from bodies of water than falls back down as rain snow or hail
I would say (C) considering all of the others seem positive
Hope this was helpful!! :)