Question

Mention human activities that lead to air pollution.

Answer 1

• The human activities that lead to air pollution:-
  

1) Burning of fossil fuels:

• Sulfur dioxide released by the burning of fossil fuels like coal, petroleum is the major cause of air pollution.
• Gases emitted from vehicles including trucks, jeeps, cars, trains, aeroplanes cause an immense amount of pollution.

2) Agricultural activities:

• Use of insecticides, pesticides and fertilizers in agricultural activities release harmful chemicals into the air and can also cause water pollution.
  

3) Exhaust from factories and industries:

• Manufacturing industries release a large amount of carbon monoxide, hydrocarbons, organic compounds, and chemicals into the air thereby depleting the quality of air.
• Petroleum refineries release hydrocarbons and various other chemicals that cause air pollution.
  

4) Mining operations:

• Mining is a process wherein minerals below the earth are extracted.
• During this process dust and chemicals are released in the air causing massive air pollution.