Multiple Choice
The breakdown of the ozone layer is promoted by the emission into the atmosphere of
A) carbon dioxide from the burning of fossil fuels.
B) sulfuric acid from the burning of fossil fuels.
C) unburned hydrocarbons in the exhausts of gasoline engines.
D) chlorofluorocarbon (CFC) gases used in refrigeration.
Correct Answer:

Verified
Correct Answer:
Verified
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