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: B. March,2020
- A. February, 2020
- B. March,2020
- C. April,2020
- D. May,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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Global politics covers relations among states, major power competition, foreign policy, alliances and international organisations such as the United Nations, NATO and the European Union. It includes leadership changes, diplomatic alignments, sanctions, elections with international consequences, and the roles of permanent members and voting blocs in global decision-making.
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