Q24 of 54 Page 350

State any two ways of controlling air pollution;

Several steps have been taken by Supreme court to protect Taj Mahal. The industries around Taj Mahal have been ordered to switch into clean fuels such as Compressed natural gas-CNG and Liquified petroleum gas- LPG. It has been advised that the automobiles should be switched over to unleaded petrol.


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23

Explain how, the use of pesticides in agriculture causes water pollution.

 24

Describe the threat to Taj Mahal monument due to air pollution.

 25

What-is potable water? Name any two methods to make water safe for drinking.

 25

State two ways in which you conserve water at home by, preventing its wastage.