A natural resource is just that... made by nature or more specifically by God the Creator. A man made object like a car is "man-made" not nature or God-made.
It is natural but there are man-made imitations.
It can be made from natural or man made fibres.
natural feature
Is limestone natural or man made
Man-made and Natural Resources
it is all natural
Rubber is man-made but has natural agents.
No "NATURAL" calamities are man made.
Is limestone natural or man made
Ceramic is man-made from a natural material.
some is natural but some is man made