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(A) The depletion of the ozone layer is primarily caused by the release of chlorofluorocarbons $(CFCs)$ into the atmosphere.When these $CFCs$ reach th

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Addition of $Cl^{-}$ to the atmosphere

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(A) The depletion of the ozone layer is primarily caused by the release of chlorofluorocarbons $(CFCs)$ into the atmosphere.When these $CFCs$ reach the stratosphere,they are broken down by ultraviolet radiation,releasing chlorine atoms $(Cl)$.These chlorine atoms act as catalysts in the destruction of ozone $(O_3)$ molecules,converting them into oxygen $(O_2)$.Therefore,the addition of chlorine $(Cl)$ atoms to the atmosphere is the primary factor responsible for ozone depletion.

Which is the primary factor responsible for the depletion of the ozone layer?

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