What chemicals originally contained in products such as refrigerants and hair sprays contributed to the depletion of the ozone layer?

Chlorofluorocarbons can cause or contributed of depletion of ozone layer.  Ozone in the stratosphere protects our planet from UVB radiation. The ozone hole over Antarctica is thought to be mostly caused by CFCs.  The ozone layer that protects our planet is found in Stratosphere.

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

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