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Ritabrata Das from OPJS, Angul
Subject :NSO    Class : Class 5

Select the correct match.
(i) Sulphur dioxide - Acid rain
(ii) CFCs - Ozone hole
(iii) Carbon dioxide - Global warming

A (ii) only
B (i) and (iii) only
C (ii) and (iii) only
D (i), (ii) and (iii)


Ans 1:

Aarush Thakur from DPS, Gurgaon
Class : Class 6
Ans is D) (i),(ii)and(iii)

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