Petrol is extracted from crude oil. The question whether it is man-made or natural is therefore a grey area. The chemicals which make up petrol are natural, however it must be processed by man in order to obtain it in the form we use it.
It is natural but there are man-made imitations.
It can be made from natural or man made fibres.
Rubber is man-made but has natural agents.
Is limestone natural or man made
Coal is a natural mineral. You might be confusing this with charcoal which is man-made.
Petrol is somewhat man made. Oil is a natural resource but it must be refined in order to make gas or petrol from it.
Actually it's just a natural resource because it comes from the ground.
petrol is extracted from crude oil
It is natural but there are man-made imitations.
It can be made from natural or man made fibres.
Gasoline (USA), petrol (UK) is man-made by refining crude oil.
natural feature
Is limestone natural or man made
Petrol is made out of crude oil which is a natural resource. When the crude oil is refined, petrol is produced in addition to other by-products like diesel.
Man-made and Natural Resources
it is all natural
Rubber is man-made but has natural agents.