Most of the world's carbon is found

Biology Ecosystem Decomposition Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 20, 2026

as carbon dioxide in the atmosphere.

in living organisms. .

as bicarbonate and carbonate ions dissolved in the oceans.

as carbonate minerals in sedimentary rock.

Text Solution

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The correct answer is:

Most of Earth’s carbon is stored in rocks like limestone and other sedimentary carbonates, not in the atmosphere or living organisms.

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