Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching A Level Chemistry Revision "Chlorofluorocarbons and the Ozone Layer". and this video is uploaded by Freesciencelessons at 2022-04-18T07:12:21-07:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [GhH77DcEv9M]