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
Time zones are a man-made invention and tool. Mother nature only knows daylight or darkness.
It's man-made. The Earth is split into 24 time zones - to keep regions on the same time each day..
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 "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
Is limestone natural or man made