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

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

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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
Fungi is/are

single-celled prokaryotes
Eukaryotes single-celled and primitive multi-celled organisms
Phototrophic eukaryotes
heterotrophic eukaryotes

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