The major aerosol pollutant released by jet planes is ...

Assertion $(A)$: Chlorofluorocarbons are responsible for ozone depletion.
Reason $(R)$: Ozone level decreases by as much as $67\%$ every year.

Choose the correct statement:

Which of the following statements is not correct?

Ozone $(O_{3})$ depletion is due to

Which of the following is not one of the prime health risks associated with greater $UV$ radiations through the atmosphere due to depletion of stratospheric ozone?