At night low clouds

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At night, low clouds:

A. Enhance the atmospheric greenhouse effect

B. Weaken the atmospheric greenhouse effect

C. Are often caused by the atmospheric greenhouse effect

D. Have no effect on the atmospheric greenhouse effect

Answer: Option A

Solution (By Examveda Team)

At night the reflection effect is zero so the greenhouse effect and reflection of thermal radiation dominate and the low thick clouds have a warming effect.
The greenhouse effect could at most return 50 percent of the outgoing radiation back to the Earth

This Question Belongs to General Knowledge >> Environmental Science

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