Examveda

What is the main cause of acid rain?

A. Emission of nitrogen oxides and sulfur dioxide

B. Excessive carbon dioxide absorption

C. Ozone layer depletion

D. Excessive water vapor

Answer: Option A

Solution (By Examveda Team)

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.

Join The Discussion

Related Questions on Environmental Geology and Sustainability