some is natural but some is man made
Velvet is man made
Man made.
natural process is a process in whichit is naturally without any plan occured and the man made proceess is a process which is done by man.
Naturaul :)
Made in a factory by people.
yes and no, sand can be natural or man made.
It is a fact that sand is a natural resource.
It is a distinction most commonly made in golf. Natural hazards are for instance water, and sand bunkers. Although usually made by man, they are considered to be part of the 'natural' environment. Wooden benches, sprinkler holes etc. are not considered 'natural' and therefore man-made.
Although put together by humans, the parts of cement are natural. Cement is a fine, soft, powdery-type substance. It is made from a mixture of natural rocks: limestone, clay, sand and/or shale. When cement is mixed with water, it can bind sand and gravel into a hard, solid mass called concrete.
Natural. It is a sedimentary rock composed of, mainly, sand (!) derived from the weathering and erosion of other, originally mainly igneous, rocks.
It is natural but there are man-made imitations.
It can be made from natural or man made fibres.
sand and glass mixture
natural feature
Is limestone natural or man made
Man-made and Natural Resources
it is all natural