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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Environmental Science
The order of succession in a hydrosere is

Rooted aquatic plants-> phytoplankton->Free floating stage-> Sedge Meadow stage-> Reed swamp stage-> wood land stage-> Climax forest
phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest
phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest
Rooted aquatic plants-> phytoplankton->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest

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