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Why naturally occurring greenhouse effect is important? (a) It maintains the temperature of earth at average 15 °C. (b) It maintains the temperature of earth at 18 °C. (c) It maintains lot of greenery on the surface of the earth. (d) It maintains level of ozone in atmosphere. |
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Answer» Correct option is (a) It maintains the temperature of earth at average 15 °C. |
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