Stratospheric ozone:
A) is a pollutant.
B) is composed of nitrogen.
C) has been decreasing for several decades.
D) is thinning because of sulfur oxide pollution.
E) absorbs all of the incoming ultraviolet radiation from the sun.

Question

Quizplus · Accepted Answer

Stratospheric ozone has been decreasing for several decades mainly due to the release of chlorine and bromine gases from human activities such as the use of chlorofluorocarbons (CFCs) in refrigerants and aerosol sprays.

Stratospheric Ozone