1.

Describe the effect of air pollution on ozone layer.

Answer»

Effect of air pollution on ozone layer : 

In our atmosphere at the height of 11 to 35 km in stratosphere, ozone is found as thick covering. It protects our earth by absorbing ultraviolet rays coming from the sun. It is called the shield of the earth, Here ozone is formed due to action of U.V rays on oxygen. The gases present in our atmosphere such as: carbon dioxide, methane, nitrogen oxides, CFG etc along with polluting atmosphere, are also harming the ozone layer. It has been proved through experiments that one atom of CFC can destroy one lakh atoms of ozone in the stratosphere. The ozone hole found over Antarctica and south pole is affecting not a particular area, but the whole world.



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