Use of chlorofluoro carbons is not encouraged because

Options

A. they are harmful to the eyes of people that use it
B. they damage the refrigerators and air conditioners
C. they eat away the ozone in the atmospher
D. they destroy the oxygen layer.

Answer

c

Explanation

Chlorofluorocarbon is used in air-conditioning and in domestic refrigerators for cooling purposes. Its main drawback is this, it is responsible for ozone depletion.