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Biology 18 Online
OpenStudy (anonymous):

Carbon enters an ecosystem when ________. A. water cools in the atmosphere. B. plants take in carbon dioxide for photosynthesis. C. plants release carbon dioxide. D. carbon is released during cellular respiration. I got B!!!

OpenStudy (anonymous):

@sagnik_das

OpenStudy (anonymous):

@QuinterrianW_23

OpenStudy (anonymous):

A

OpenStudy (anonymous):

katlin is right.option B

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