Scientists have observed that the ozone hole has completely healed itself in the last decade.

Question

Quizplus · Accepted Answer

While the depletion of the ozone hole has significantly slowed down due to international efforts to reduce the use of ozone-depleting substances, it has not completely healed itself yet. The Antarctic ozone hole is expected to recover by the middle of this century, while the Arctic ozone remains thin and is expected to recover more slowly.

Scientists Have Observed That the Ozone Hole Has Completely Healed