Multiple Choice
Technician A says R-12 is a chlorofluorocarbon (CFC) that damages Earth's ozone layer. Technician B says R-134a is a hydrofluorocarbon (HFC) that causes even greater damage. Who is correct?
A) A only
B) B only
C) both A and B
D) neither A nor B
Correct Answer:
Verified
Correct Answer:
Verified
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