Discussion :: Basic General Knowledge
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On a night when the sky is clear, the temperature may dip considerably; on a cloudy night the temperature will usually dip much less. The reason for this difference is that
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A.
the clear sky allows radiant energy to escape readily from the earth
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B.
on a cloudy night the clouds are warm and therefore retard the cooling
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C.
the clear sky allows the cold of outer space to reach the earth
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D.
current of air carry the heat away from the earth on a clear night
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Answer : Option A
Explanation :
No answer description available for this question.
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