Mention the major cause of air pollution in metro cities. Write any three ways, which it can be reduced.

Mention the major cause of air pollution in metro cities. Write any three ways, which it can be reduced.

Environmental Issues Biology Class 12 CBSE Value Based Questions

Shubhangi Saxena
Jul 15, 2020
1 Answers

Answers

SURENDRA

Jul 29, 2020

Major causes of air pollution are:

Smoke from thermal power plants, forest fires, volcanic eruptions.
Use of unleaded petrol.
Excessive use of fossil fuels by automobiles and industries releasing particulate and air pollutants.

Three control methods are:

Using electrostatic precipitators to remove particulate matter from exhaust of industries and thermal power plant.
Using scrubber to remove gases like so2.
Use of catalytic convertors in automobiles for reducing emission of poisonous gases.

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