Question

The depletion in the Ozone layer is caused by _________.

• A. carbon dioxide
• B. nitrous oxide.
• C. methane.
• D. chlorofluorocarbons.

Answer 1

The correct option is D chlorofluorocarbons.

Ozone is a protective blanket that is present in stratosphere which protects earth from harmful effects of UV radiations that are present in sun light.

Chlorofluorocarbons and other halogenated compounds cause ozone depletion.

Chlorofluorocarbons are anthropogenic and are released from air-conditioning,refrigeration, blowing agents in foams, insulationand packing materials, propellants inaerosol cans, and as solvents.