(Answered) In the mid 1990s a famous conservative pundit claimed that

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In the mid 1990's a famous conservative pundit claimed that since chlorofluorocarbons are more dense than air, it is not possible for them to be present at high atmospheric elevations (in the ozone layer). Thus, they cannot play a role in the alleged photochemical destruction of stratospheric ozone. Using ILLUSTRATIVE EXAMPLES, highlight the strengths and weakness of his argument and comment on its overall validity.

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