Biology, 31.08.2019 02:00 Gghbhgy8716
In what sphere do chemicals have the shortest average residence time? a) biosphere. b) lithosphere. c) hydrosphere. d) atmosphere. there are 4000 units of energy available to grass at the 1st trophic level of an ecosystem. if the grass is eaten by a mouse & the mouse is eaten by an owl, how many units of energy will be left for the bobcat that eventually eats the owl? a) 4 b) 40 c) 400 d) 2000
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In what sphere do chemicals have the shortest average residence time? a) biosphere. b) lithosphere....
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