Detailed explanation and options for the selected question.
Which of the following pollutants is primarily responsible for acid rain?
A.
Carbon monoxide
B.
Sulfur dioxide
C.
Methane
D.
Ammonia
Explanation:
Sulfur dioxide reacts with water vapor to form sulfuric acid, causing acid rain. Carbon monoxide, methane, and ammonia do not play a significant role in this phenomenon.