Multiple Choice
What environmental phenomenon caused most industrial nations to intentionally decrease their production and use of refrigerants and other chlorofluorocarbons (CFCs) in the last 20 years?
A) the decrease in Arctic Sea ice cover
B) the decrease in plankton fecundity in tropical and subtropical waters
C) the increase in hurricane,typhoon,and tropical cyclone intensity and/or number
D) the decrease in atmospheric ozone over the Antarctic
Correct Answer:

Verified
Correct Answer:
Verified
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