Multiple choice How are the CFCs responsible for the reduction of ozone layer? CFC's displace the ozone layer CFC's absorb the ozone gas CFC's react with the ozone gas CFC's cover the ozone layer Reveal answer Fill a bubble to check yourself C Correct answer Explanation CFCs (chlorofluorocarbons) react chemically with ozone molecules in the stratosphere, breaking them down. This reaction occurs when UV radiation splits CFC molecules, releasing chlorine atoms that catalytically destroy ozone.