Chalk is a natural mineral formed from the remains of marine organisms such as plankton and algae. It is composed mostly of calcium carbonate.
It is natural but there are man-made imitations.
It can be made from natural or man made fibres.
Is limestone natural or man made
Flint is a naturally occurring sedimentary rock composed primarily of silica. It forms in marine environments and is often found in chalk or limestone deposits. While humans have historically shaped and knapped flint for tools and weapons, the rock itself is a natural material. Therefore, flint is not man-made; it is a natural resource that has been utilized by humans for various purposes.
Man made.
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.
Chalk is harder than rubber. Chalk is a form of limestone made of calcium carbonate, which is a relatively hard mineral, whereas rubber is a soft and flexible material typically made from natural or synthetic polymers.
It is natural but there are man-made imitations.
It can be made from natural or man made fibres.
Is limestone natural or man made
natural feature
No, they are chalk cliffs and naturally white.
Man-made and Natural Resources
no chalk is made out of tiny little critters that lived in the sea a long time a go and there bodies have had lots of weight on it and this has transformed it into chalk hope it help if not look up what is chalk made of in google
Ceramic is man-made from a natural material.
Is limestone natural or man made
Is limestone natural or man made