The largest hole in the Ozone layer spreading over 1 million square kilometers above the Arctic has closed due to unusual atmospheric conditions. The hole in Ozone was first identified by scientists in_________?
Correct answer: D. March,2020
- A. February, 2020
- B. May,2020
- C. April,2020
- D. March,2020
Explanation
Scientists identified the unusually large Arctic ozone hole in March 2020, although it closed later because of changing atmospheric conditions. The event was not the better-known Antarctic ozone hole, which is seasonal and recurring.
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