CFCs, chlorofluorocarbons, are being phased out of use as refrigerants because
A) they highly reactive producing numerous pollutants in our atmosphere.
B) they are toxic.
C) they may remain in the atmosphere for hundreds of years, but react in the upper atmosphere.
D) they are gases and hard to contain.
E) hydrochlorfluorocarbons are cheaper and more effective refrigerants.
Correct Answer:
Verified
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B)
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