Acid precipitation is caused by a mix of

A. sulfur dioxide, carbon dioxide, and nitrogen oxides.

B. respiration, carbonic acids, and seawater.

C. hydrogen, oxygen, and saline.

D. water, soil, and air.

The answer is A. sulfur dioxide, carbon dioxide, and nitrogen oxides. When these chemicals mix with water, they create acidic solutions, either sulfuric acid, carbonic acid, or nitric acid. As these acids rain down on structures and life forms they can cause great damage to them.