Assertion: Ultraviolet radiation are of higher frequency waves are dangerous to huhman beaing.
Reasion: Ultraviolet radiation are absorbed by the atmosphere

Given instructions same as in chapter 1. Assertion:Ultraviolet radiations are of higher frequency waves are dangerous to human beings. Reason:Ultraviolet radiations are absorbed by the atmosphere.

Ultraviolet radiation is absorbed by

Ultraviolet radiations is absorbed by:

Solar ultraviolet radiation is absorbed by :