Question

The statement, "the amount of ozone in the atmosphere is decreased by the chlorofluorocarbon CI₂F₂C"

• A. is true
• B. is false
• C. is true only in presence of CO₂
• D. is true only in absence of CO₂

Answer 1

The correct option is A

is true

This statement is true regardless of the presence or absence of $C{O}_2$.

Chlorofluorocarbons react with the ozone in the upper layers of the atmosphere and convert them to oxygen. This leads to the depletion of ozone and it creates something called an ozone hole.