Biologymedium · Past Paper
The primary cause of the depletion of the ozone layer is:
ANitrous oxide
BCarbon tetrachloride
CChlorofluorocarbons (CFCs)
DMethane
✓ Correct Answer: C — Chlorofluorocarbons (CFCs)
CFCs release chlorine atoms when exposed to UV light, which then break down ozone molecules.
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