Environmental Science
If the amount of energy lost by the earth to space each year were not approximately equal to that received:

The sun's output would change
The atmosphere's average temperature would change
The length of the year would change
The mass of the atmosphere would change

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Environmental Science
Suppose it is a winter night and at about 11 p.m., the air cools to the dew-point temperature and a thick radiation fog develops. If the air continues to cool during the night, in 5 hours the dew point temperature will probably:

Increase as the air becomes moister
Decrease as the air becomes moister
Decrease as the air becomes drier
Increase as the air becomes drier

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Environmental Science
The atmosphere near the earth's surface is "heated from below." Which of the following does not significantly contribute to this heating?

Heat energy from the earth's interior
Absorption of infrared energy that has been radiated from the surface
Convection from a hot surface
Conduction of heat upward from a hot surface

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