Blackboard chalk is composed of calcium carbonate.
corn is a natural resours because it satrts as a seed and it's outside and that's nature
corn is a natural resours because it satrts as a seed and it's outside and that's nature
the colour of chalk(calcium carbonate) in its natural state is white.
the natural state of 'chalk' is green when they make it It's true , because I'm a person who studies chalk
Chalk is a form of limestone, or calcium carbonate (CaCO3). Refer to the related links for more information about chalk.
Chalk (calcium carbonate, CaCO3) is found in nature, being a natural product.
lumber and water
There is natural chalk. The sticks that the teacher uses to write on slate blackboards is powdered natural chalk compressed into sticks with some binder; so they are man made.
No. Chalk is mostly calcium compounds.
Chalk used in toothpaste is typically collected from natural deposits or synthetically produced. Natural chalk deposits are mined from underground and then processed to remove impurities. Synthetic chalk is manufactured by combining calcium carbonate and other ingredients. Once collected, the chalk is finely ground and purified to be used in toothpaste formulations.
Petroleum, natural gas, fish, salt, limestone, chalk, stone, gravel and sand.
Diffrent btewen resours and power