The major ozone depleting substance out of the following is

Options

A. CFCs
B. `O_(2)`
C. nitrogen
D. all of these.

Answer

A

Explanation

Ozone depleting substances (ODS) are substnces which react with ozone present in the stratosphere and destroy the same. The major ODS are chlorofluorocarbons (14 % of total depletion), nitrogen oxides (3.5 % depletion), sulphur dioxide, halon, carbon tetrachloride, methyl chloroform, chlorine, etc.