Question 3

The breakdown of hydrocarbons in the troposphere takes place in several stages. The net reaction means that more nitrogen dioxide radicals (NO2) are formed at the same time as nitrogen monoxide radicals (NO) are consumed. What leads this to? One or more answers are correct.

A: The ozone content of the air increases.

B: Decomposition of ground-level ozone is increasing.

C: Decomposition of ground-level ozone decreases.

D: The formation and destruction of ozone cancel each other out, so that there is no net production of ozone.

E: Depletion of stratospheric ozone is increasing