Because chalk shows up more you stupid jebend
Chalk, which is made of calcium carbonate, is commonly used for writing on chalkboards, sidewalks, and other surfaces. It is also used in various industries, such as construction, agriculture, and cosmetics.
A chalk stick is used for writing on a blackboard.
Chalk
Chalk has always been a useful compound, in its natural state, it was used during prehistoric times for cave paintings, and it is still used today.
hi, isn't that chalk?
Writing on tables with chalk which is also CaCO3.
The common name for a chalk is simply "chalk". It is a soft, white, porous sedimentary rock used for writing or drawing on blackboards or sidewalks.
They used the blood of there kills and they used rocks for there white (used as chalk)
slate
Chalk is a soft, sedimentary rock composed primarily of calcium carbonate, used for writing and drawing. Coal is a hard, dark, combustible rock formed from decayed plant matter, used as a fuel source. chalk is used for writing and coal is used for energy production.
stone tablets
Chalk has many purposes. It can be used as a drying agent for gymnasts, rock climbers, and weightlifters. It is used in billiards (pool) on the tips of the pool cues. It can be made into sticks for writing on chalkboards. thats a really good answer dude -james27yocool