Fun Fact: How Long Mankind Has Used Chalk

Posted byAdam (Neko Random)Posted inFun FactsTags:
Fun facts about Chalk

Chalk has been used by mankind before written history. The material is mostly made of limestone which is a very abundant type of sedimentary rock.

Published by Adam (Neko Random)

Nerdy guy who loves video games, movies, history, tv, and trivia.

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