Question

9th cbse science chapter 14 q. define the ozone​

Answer 1

Answer:

Three molecules of oxygen combine to form ozone which forms a layer in stratosphere. It acts as a protective shield as it prevents harmful ultraviolet radiations to reach the earth.

Hope it helps you :D

Answer 2

Answer:

Ozone is a compound made up of 3 oxygen atoms

Explanation:

Ozone layer protects earth from harmful UV rays of sun