Q66
What is the main cause of acid rain?
A.
Emission of nitrogen oxides and sulfur dioxide
AnswerB.
Excessive carbon dioxide absorption
C.
Ozone layer depletion
D.
Excessive water vapor
Answer: Option A
Solution
Answer: Option A
Solution:
Acid rain is primarily caused by sulfur dioxide (SO?) and nitrogen oxides (NO?) released from burning fossil fuels.These gases react with water vapor forming acids that fall as rain.