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About 20 km above the earth, there is an...

About 20 km above the earth, there is an ozone layer. Which one of the following statements about ozone and ozone layer is true ?

A

Ozone layer is beneficial to us because ozone cuts out the ultraviolet radiation of the sun

B

The convertion of ozone to oxygen is an endothermic reaction.

C

Ozone is a triatomic linear molecular

D

Ozone layer is harmful to us because it cuts out a radiation useful for photosynthesis.

Text Solution

Verified by Experts

The correct Answer is:
A
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