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
Man made.
Hydro energy is man made from natural resources
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
Man-made and Natural Resources
No, they are chalk cliffs and naturally white.
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
No "NATURAL" calamities are man made.
Is limestone natural or man made
Ceramic is man-made from a natural material.