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How was li...
How was limestone formed?
5 years ago
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Nya
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PhD Biochemist & Qualified Teacher – Specialized Undergraduate University & A-Level Tutoring.
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Limestone is mainly made of calcium carbonate and is formed from the remains of millions of sea creatures that have died and fallen to to the bottom of the sea. They decompose there but their shells and skeleton remain. These remains are compacted over millions of years resulting in limestone rock which is a type of sedimentary rock.
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