Q. 174.0( 3 Votes )

Explain natural and human-made sources of air pollution.

Answer :

Natural sources of air pollution are-

Forest fires produce trace gases and smoke.


Bacteria spores, pollens are natural pollutants of air.


Volcanic eruptions releases gases and ash.


Marsh gases are released by decay of organic matter in marshy places.


Man-made sources of air pollution are-


Industrialisation releases toxic gases into the atmosphere through exhaust pipes.


Vehicles that run on fossil fuels like petrol also release toxic compounds like that of lead and contribute to air pollution.


Nuclear explosions.


Deforestation leads to an increase in concentration of carbon dioxide in the atmosphere.


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