Question

The pollutant responsible for ozone holes is:

• A. CO2CO2
• B. $S{O}_2$
• C. $CO$
• D. $CFC$

Answer 1

The correct option is D $CFC$

Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion.

1. Used as coolants in refrigerators, freezers and air conditioners in buildings and cars manufactured before 1995.
2. Found in industrial solvents, dry-cleaning agents and hospital sterilants.
3. Also used in foam products — such as soft-foam padding (e.g. cushions and mattresses) and rigid foam (e.g. home insulation).