Why is the ozone layer disappearing?
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7
The main cause of ozone depletion and the ozone hole is manufactured chemicals, especially manufactured halocarbon refrigerants, solvents, propellants, and foam- blowing agents (chlorofluorocarbons (CFCs), HCFCs, halons), referred to as ozone-depleting substances (ODS).
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3
Because if CFC chloroflourocarbons which were used in sprays and refrigerators in the past they fly up and damage the ozone layer but now they have banned the use of CFC and ozone layer is recovering (^^)
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