Question

Select the correct answer:

(c) Decrease of amount of ozone in stratosphere is called depletion of ozone and it is caused by

• A. UV radiations of sun
• B. excessive use of detergents
• C. Use of CFC compounds
• D. Use of polychlorinated biphenyls

Answer 1

The correct option is C Use of CFC compounds

(b) Use of CFC compounds.

The main cause of depletion of the ozone layer is the release of CFCs (chlorofluorocarbons) in the atmosphere by the coolants and refrigerants.