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
Conduction of heat upward from a hot surface
Absorption of infrared energy that has been radiated from the surface
Convection from a hot surface

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Environmental Science
The Gulf Coast states are more humid in summer than the coastal areas of Southern California mainly because of the:

Higher air temperature in the Gulf States
Higher water temperature in the Gulf of Mexico
Lower air temperature in Southern California
Low relative humidity of the air over the Pacific Ocean

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