To preserve the earth's ozone layer, international agreements have called for reducing the level of

Question

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Chlorofluorocarbons (CFCs) are human-made chemicals that contribute to the destruction of the Earth's ozone layer. By reducing the usage of CFCs, the ozone layer can be protected. International agreements such as the Montreal Protocol have been signed by many countries to phase out the production of CFCs.

To Preserve the Earth's Ozone Layer, International Agreements Have Called