AQA GCSE Combined Science Trilogy · 8464
Specification 5.9.1.4 · Paper 4
Revise: Decrease of Atmospheric Carbon DioxideCompaction and cementation turned the accumulated material into limestone, a sedimentary rock.
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GCSE Combined Science · key term
A sedimentary rock made mainly of calcium carbonate, often formed from the accumulated shells and skeletons of marine organisms.
Used by AQA
Specification 5.9.1.4 · Paper 4
Revise: Decrease of Atmospheric Carbon DioxideCompaction and cementation turned the accumulated material into limestone, a sedimentary rock.
Limestone stores carbon as calcium carbonate; it is not a fossil fuel.
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