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It is not chalk, it is phosphors.
yes but you have to soak the chalk more than the pastels
If you mean blackboard chalk, it is generally made of the mineral gypsum, which is calcium sulfate.
chalk
blowing wind, desert wind, heavy storm wind
They make edible chalk
did you chalk it up for her
It is not chalk, it is phosphors.
i think its precip
Chalk is calcium carbonate but teeth is calcium phosphate crystalline. I believe, sea shell is a better substitute for teeth.
yes but you have to soak the chalk more than the pastels
because we can use it to write on chalk boards
Nature's chalk is limestone--hard. Blackboard chalk is soft--gypsum.
Chalk is a rock. Amelia Chamberlain
Chalk dissintegrates/dissolves
TAILORS; when tailors make your clothes,they use that chalk.(it might be erasable) PENCIL; you use it to write your assignments on the paper.
Chalk (use for writing on a greenboard in school) in Tagalog is called Tisa but commonly it is still called chalk.