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Difference between revisions of "Chalk"

(Created page with "A sedimentary rock made form the shells of dead sea creatures and containing calcium carbonate.")
 
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A [[sedimentary rock]] made form the [[shell|shells]] of dead sea creatures and containing [[calcium carbonate]].
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A [[sedimentary rock]] made form the [[shell|shells]] of dead sea creatures and containing [[Calcium Carbonate]].

Revision as of 17:48, 27 July 2018

A sedimentary rock made form the shells of dead sea creatures and containing Calcium Carbonate.