Correct answer: D) Chlorofluorocarbons (CFCs)
Ozone depleting substance are those substance which causes depletion of the ozone layer.
These ozone depleting substances are used in refrigerators, airconditioners, refrigeratorsfire extinguishers, , as solvents for cleaning, in dry cleaning, electronic equipment and as agricultural fumigants.
The chemical which are most commonly known to cause depletion of ozone layer are :
Chlorofluorocarbons (CFCs)
Carbon tetrachloride (CCl4),
Methyl chloroform (CH3CCl3)
Hydrobromofluorocarbons (HBFCs)