chlorofluorocarbons (CFCs)
Chlorofluorocarbons (CFCs) are a group of man-made chemicals that were once widely used in refrigerators, air conditioners, and aerosol cans. CFCs are very stable and do not break down easily in the atmosphere. When CFCs reach the upper atmosphere, they are broken down by ultraviolet radiation and release chlorine atoms. Chlorine atoms react with ozone … Read more