Which of the following is a major cause of air pollution?

Correct answer: (b) Burning of fossil fuels

Explanation

Gaseous air pollutants include the following: • The combustion of fossil fuels (mineral oil, coal, petrol, diesel, etc.) mainly releases gases like carbon dioxide (CO2) and carbon monoxide (CO). • The combustion of sulphur-containing fossil fuels releases gases like sulphur dioxide (SO2) and sulphur trioxide (SO3).