487. Ozone hole was first discovered in

A. Africa
B. Antarctica
C. India
D. Europe
✅ The correct answer is option B.
The discovery of the annual depletion of ozone above the Antarctic was first announced in a paper by Joe Farman, Brian Gardiner and Jonathan Shanklin which appeared in Nature in May 1985. Later, NASA scientists re-analyzed their satellite data and found that the whole of the Antarctic was affected.

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