What gas is produced naturally in the stratosphere and is also a primary component of photochemical smog in polluted air at the surface?
A)Carbon dioxide
B)Carbon monoxide
C)Ozone
D)Nitrogen dioxide
E)Hydrocarbons

Question

Quizplus · Accepted Answer

Ozone is naturally produced in the stratosphere, where it forms the protective ozone layer. At ground level, it is a major component of photochemical smog.

What Gas Is Produced Naturally in the Stratosphere and Is