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‘Ozone-hole’ means

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asked Sep 16, 2017 in Biology by Golu (37,045 points) ● 19 ● 172 ● 620

‘Ozone-hole’ means

(a) a large sized hole in the ozone layer
(b) thinning of the ozone layer
(c) small holes scattered in the ozone layer
(d) thickening of ozone in the ozone layer

1 Answer

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answered Sep 17, 2017 by Ankit Agarwal (28,847 points) ● 7 ● 34 ● 106
selected Sep 17, 2017 by Golu
 
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Correct answer is (b) thinning of the ozone layer 

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asked Sep 16, 2017 in Biology by Golu (37,045 points)

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