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Question

Why are dewdrops not formed on a cloudy night?
(a) Clouds absorb the radiation released from the Earth's surface.
(b) Clouds reflect back the Earth's radiation.
(c) The Earth's surface would have low temperature on cloudy nights.
(d) Clouds deflect the blowing wind to ground level.

Answer:

B

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Explanation:

On a cloudy night, the clouds act as a barrier and reflect back the radiation emitted by the Earth's surface. This reflected radiation keeps the surface warmer than it would be on a clear night. As a result, the temperature of the surface may not cool down enough to reach the dew point temperature, and dewdrops are not formed.

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