Acid rain happens because
(A) sun leads to heating of upper layer of atmosphere
(B) burning of fossil fuels release oxides of carbon, nitrogen and sulphur in the atmosphere
(C) electrical charges are produced due to friction amongst clouds
(D) earth atmosphere contains acids
Answer : (B)
Burning of fossil fuels release oxides of carbon, nitrogen, and Sulphur in the atmosphere which gets dissolved in atmospheric water vapor and rains down as acid rain which damages the plant life, aquatic life, as well as the infrastructure. It has drastic effect on the soil as it changes the nutrition and pH of the soil.
Therefore option (B) is correct