Environmental Science
What is meant by ex-situ conservation?

Conservation of a species outside its natural habitat
Conservation of forest eco system
Conservation of a species by protecting its habitat along with all other species living there
Conservation of 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
Heat energy from the earth's interior
Conduction of heat upward from a hot surface

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