Question

10) Assertion (A) : If the earth did not have an atmosphere, its average surface temperature

would be lower than what it is.

Reason (R ) : The ozone layer in the atmosphere absorbs the ultraviolet radiation.​

Answer 1

How does ozone gas protect life on Earth?

The ozone layer is the common term for the high concentration of ozone that is found in the stratosphere around 15–30km above the earth's surface. It covers the entire planet and protects life on earth by absorbing harmful ultraviolet-B (UV-B) radiation from the sun.