dangerousdave3
dangerousdave3
Today at 10:43 PM
Chemistry
Answered
what is chalk made of?
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CaptainBeyond
CaptainBeyond
Today at 10:49 PM
i think it is calcium carbonate, from sedimentary rocks and such
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whatthefart
whatthefart
Today at 10:48 PM
calcium carbonate
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