Question

Acid rain is caused by the excess?

• A. Excess production of coal gas
• B. Excess release of CO₂ due to increasing combustion and respiration
• C. Excess release of SO₂ and NO2 fromburning fossil fuels
• D. Excess production of gaseous hydrocarbons

Answer 1

The correct option is C

Excess release of SO₂ and NO2 fromburning fossil fuels

Acid rain is caused by a chemical reaction that begins when compounds like sulphur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen and other chemicals to form more acidic pollutants to precipitate down as acid rain.