Q
Which of the following are ozone-depleting substances?
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A
A. Chlorofluorocarbons (cfcs)
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B
B. Carbon dioxide
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C
C. Carbon monoxide
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D
D. Acetylene
Correct Answer:
A. A. Chlorofluorocarbons (cfcs)
Explanation:
CFCs are chemicals that contribute to the depletion of the ozone layer in the Earth's atmosphere.