Which of the following gases 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)nitrogen dioxide
C)ozone
D)carbon monoxide

Question

Quizplus · Accepted Answer

Ozone is naturally produced in the stratosphere and helps protect the Earth from harmful UV radiation. However, it is also a primary component of photochemical smog in polluted air at the surface.

Which of the Following Gases Is Produced Naturally in the Stratosphere