Chlorofluorocarbons have been banned since
1996 because they destroy the ozone layer. Chlorofluorocarbons (CFCs) are a group of manufactured chemical compounds that contain chlorine, fluorine, and carbon. This group includes CFC-11, CFC-12, CFC-113, CFC-114, CFC-115, and many forms of Freon.Oct 4, 2017
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