| http://www.w3.org/ns/prov#value | - Substances produced when chlorofluorocarbons (CFCs) are broken down in the atmosphere have the potential to react with and destroy ozone in the upper atmosphere that protects living things from the sun's ultraviolet rays. (Ozone-destroying chemicals also are emitted from such natural sources as volcanoes.) CFCs are used in foam packaging, insulation, various kinds of containers and cartons, and re
|
