Explanation :
Chlorofluorocarbons are abbreviated as CFC. It contains only carbon, fluorine, and chlorine. Initially, CFC is used as refrigerants.
Impact of chlorofluorocarbons on the atmosphere are :
(1) It damages the earth's ozone layer. So, it was banned in 1996.
(2) It also contributes to global warming.
(3) They have lived in atmosphere of about 20 to 100 years.