Statement A: Presently, the global atmosphere is warming up.
Statement B: The depletion of stratospheric ozone layer has resulted in increase in ultraviolet radiations reaching the earth.
The global atmosphere is raising up. This is because of the increase in the amount of the green house gases.
The depletion of the stratospheric ozone layer has resulted in increase in the ultraviolet radiations reaching the earth. The ozone layer does not allow the UV radiations from the sun to reach the earth. As the ozone is depleting, the UV radiations are reaching the earth and causing health issues.