Why does the book say there are "two" ozone problems?
A) Because there are two sources of the gas implicated in thinning the ozone layer.
B) Because there are two kinds of gases implicated in thinning the ozone layer.
C) Because there is a thinning of the upper atmosphere ozone layer and increasing ozone at ground level that produces photo-chemical smog.
D) Because ozone holes occur in two places above the earth, over the north and south poles.

Question

Quizplus · Accepted Answer

The book states that there are two ozone problems because of the thinning of the upper atmosphere ozone layer and increasing ozone at ground level that produces photo-chemical smog. This is the only option that accurately describes the two distinct problems mentioned in the book. The other options either refer to different gases or different locations, and do not align with the information provided in the question.

Why Does the Book Say There Are "Two" Ozone Problems