Ozone layer of atmosphere protects us from which of the following harmful radiations?
Ultraviolet rays
Magnetic rays
Ultraviolet and Infra red rays
Infra red rays
Ultraviolet radiations emitted from the sun are harmful if they reach the earth and can cause a number of diseases.
Ozone layer _________ the sun's harmful UV rays and protects the Earth from its harmful effects.
Ozone layer protects us from harmful _______ rays of the sun.