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Which of the following are "green house gases" ? (a) CO2 (b) O2 (c) O3 (d) CFC (e) H2O (1) a, b and d (2) a, b, c and d (3) a, c and d (4) a, c, d and e |
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Answer» Answer: (4) a, c, d and e CO2, O3, H2O vapours and CFC's are green house gases. |
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