Environmental Science
Trichodermaharzianum has proved a useful microorganism for

biological control of soil-borne plant pathogens
bioremediation of contaminated soils
reclamation of wastelands
gene transfer in higher plants

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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?

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

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