Multiple Choice
Technician A says an A/C system using CO2 [carbon dioxide] for a refrigerant will not contribute to global warming and is environmentally friendly. Technician B says CO2 refrigerant does not need to be recovered and recycled. 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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