The name "ozone hole" is a misnomer. In reality it is not a hole, but rather:
A) two holes, one over the north and one over the south pole.
B) seasonal changes in the size of the ozone.
C) an irregular shaped formation stretching to the tropics.
D) the thinning of the upper atmosphere ozone layer.

Question

Quizplus · Accepted Answer

The ozone layer is thinning over the polar regions, but it is not a literal hole. Rather it is a decrease in the concentration of ozone molecules in the upper atmosphere due to chemical interactions with certain pollutants, primarily chlorine and bromine compounds from human-made sources.

The Name "Ozone Hole" Is a Misnomer