Q:

Which substance is responsible for the depletion of the ozone layer?

Which substance is responsible for the depletion of the ozone layer?
A. Carbon dioxide
B. Methane
C. Chlorofluorocarbons (CFCs)
D. Nitrous oxide

rc6 Environment

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Answer: C. Chlorofluorocarbons (CFCs)

Explanation: CFCs are chemical compounds that were once widely used in refrigeration, air conditioning, and aerosol propellants. They break down ozone molecules in the stratosphere, leading to the thinning of the ozone layer.

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