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Briefly Explain Depletion of Ozone Layer and Its Effects. - Science

Short Note

Briefly explain depletion of ozone layer and its effects.

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Solution

Depletion of ozone layer refers to a reduction in the concentration of ozone layer. It is caused by ozone-depleting substances (ODSs) such as chlorofluorocarbons (CFCs), halons, methyl bromide, nitrogen oxides and chlorine. 

Effects of the depletion of ozone layer:
(i) It causes skin cancer due to excess exposure to UV radiation.
(ii) It damages the eyes and the immune system.
(iii) It affects plants, thereby decreasing crop yields.

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APPEARS IN

P S Verma and V K Agarwal Class 9 Biology - Science Part 3
Chapter 6 Natural Resources
Short Questions Answer ( Carrying 3 Marks) | Q 20 | Page 366
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