Answer:
The Correct Answer is A
Step-by-step explanation:
ozone hole:
- Extreme decreasing of ozone layer when more than share of the ozone vapor in a distinct region is exhausted, and damaging ultraviolet rays can cross through to arrive the earth's exterior.
- The ozone hole is not technically a “gap” where none ozone is available, but is a field of particularly exhausted ozone in the stratosphere above the Antarctic.