Biology, 08.07.2019 10:30, mimas76

Carbon, an important element for life, keeps cycling between the spheres of the earth. carbon dioxide in the is absorbed by the oceans and is used by aquatic organisms for biological processes. but aquatic organisms return some of it back through .

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Biology, 22.06.2019 04:30, dondre54

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Carbon, an important element for life, keeps cycling between the spheres of the earth. carbon dioxid...