MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryEnvironmental ChemistryO3, NO2 acrolein, formaldehyde and PAN
The depletion of ozone hole was first reported in …I… over Antarctica. Here I refers to :
A.1920 s
B.1980 s✓ Correct
C.1940 s
D.1970 s
Explanation
The depletion of ozone hole was reported in 1980s over antarctica.
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