You need to open your book. It is clearly a homework question.
Natural
Stone is both a raw material and a natural resource. Since it comes from the Earth and is not manufactured, it is a natural resource. Since it is used to make products, it is a raw material.
A "natural plastic" is a material created from biological sources other than petroleum (oil).
Differentiate between Natural and man made features in GIS
It is manufactured solely. It does not come from anything natural.
Any material of natural or synthetic origin that is applied to plant tissues to supply nutrients essential to growth
Manufactured boards are already recycled natural timber so its hard to recycle them after all the glue, resin and wood pulp has been added.
no its natural
A natural diamond is more rare than a manufactured diamond.
no it is manufactured and its source of material is from chemical reactions its properties are: it is hard wearing easily cleaned meelt when put near heat and some are not easily broken
Briana <3 Kiev.
Just as is true with any raw material, all natural resources are finite: natural diamonds are finite. However, man-made diamonds can be manufactured from carbon, which makes man-made diamonds potentially infinite.