Suppose last night was clear and calm. Tonights forecast indicates that low clouds will be present. From this, you would conclude that tonight's minimum temperature will be
a. higher than last night's minimum temperature.
b. lower than last night's minimum temperature.
c. the same as last night's minimum temperature.
d. above freezing.
e. below freezing.
Question 2
The atmospheric greenhouse effect is produced mainly by the absorption and re-emission of
a. visible light by the atmosphere.
b. ultraviolet radiation by the atmosphere.
c. infrared radiation by the atmosphere.
d. visible light by clouds.
e. visible light by the ground.
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