Question

31. What are the human activities that cause air pollution?

Answer 1

Some of the human activities that cause air pollution are given below:

• The burning of fossil fuels like coal and petroleum releases sulfur dioxide(SO₂) which is the main cause of air pollution.
• The emission of harmful gases from vehicles like carbon dioxide and carbon monoxide polluted the air.
• Exhaust from factories and industries - factories and industries release a large amount of carbon monoxide and organic compounds into the air which depleted the quality of air.