A) Nitrous oxide
B) Hydrogen dioxide
C) Chlorofluoro carbon
D) Carbon monoxide
Correct Answer: C
Solution :
Chlorofluorocarbons (CFCs) contribute to ozone depletion in the upper atmosphere. It is an organic compound that contains only carbon, chlorine, and fluorine, produced as volatile derivative of methane, ethane, and propane. Commonly known by the DuPont brand name Freon, the manufacture of CFCs has been phased out under the Montreal Protocol.You need to login to perform this action.
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