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Soil carbon sequestration primarily stores atmospheric ca... | QuestionStock

Representative image for question: Soil carbon sequestration primarily stores atmospheric carbon in which pool?

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Environment

Soil carbon sequestration primarily stores atmospheric carbon in which pool?

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Soil carbon sequestration primarily stores atmospheric carbon in which pool?

Options:

Soil organic matter
Aboveground vegetation biomass
Geologic carbonate rocks
Dissolved CO2 in rivers

Correct answer: Soil organic matter

Explanation: Soil carbon sequestration refers to storing carbon as soil organic matter; globally soils contain roughly 1,500 gigatons of organic carbon in the top 2 meters, exceeding the carbon in the atmosphere.

Created 2026-03-10T17:16:06.398Z. Updated 2026-03-10T17:16:06.398Z.