Question

write a short note on air pollution and its causes

Answer 1

1.air pollution is caused by releasing of harmful gases into atmosphere.
2.vehicles release harmful gases into atmosphere .

3.industries release polluted air

Answer 2

Air pollution is the introduction of particulates, biological molecules, and many harmful substances into Earth's atmosphere, causing diseases, allergies, death to humans, damage to other living organisms such as animals and food crops, or the natural or built environment.
The causes of air pollution are:
-Burning of fossil fuels.
-Agricultural activities.
-Exhaust from factories and industries
-mining operations
-Indoor activities etc..