Ozone thinning over Antarctica was so profound that people referred to the lowest ozone region as the _________________.

Question

Quizplus · Accepted Answer

The phrase "ozone thinning over Antarctica" and the mention of a "lowest ozone region" suggest that the question is referring to the phenomenon commonly known as the "ozone hole." It was a severe depletion of ozone in the stratosphere over Antarctica, and it earned its name because of the size and shape of the area with the greatest ozone depletion. Therefore, the correct answer is option E, "ozone hole."

Ozone Thinning Over Antarctica Was So Profound That People Referred