No, chalk does not contain protein. It is calcium carbonate.
Disponible
chalk
colored chalk sidewalk chalk dustless chalk
rubber is harder than chalk !
There are a couple of things that make chalk hard. The calcium in chalk is said to make chalk hard.
i would like to know who is availabe for charity
A collective noun for chalk is a box of chalk.
Nature's chalk is limestone--hard. Blackboard chalk is soft--gypsum.
your an idiot, no a whitle chalk is not longer than aq blue chalk
chalk comes from chalk deposits the white cliffs of dover is one then the grind it into powder then they press it into molds of chalk then they sell it
Celebi is only availabe through Nintendo events.
near a chalk board