used the oil to make medicine and water proof canoes
crude oil is needed because it is useful to use in home etc..........
No the native americans did not use fences.
they used trees, bark,saplings, plants and beeries.
Crude oil is oil got from directly extracting process. you can use an oil extracting machine such as screw oil press or hydraulic oil press which are common oil extracting machines used for this.
no
you put it on your nipples
Crude Oil dates back to ancient times where it was used as a liniment. In 1850 crude oil was refined by a process created by Edwin Drake of Western Pennsylvania.
the native Americans did not have sheep
Crude oil wasn't 'invented' ! It is a natural resource. There is a finite amount of crude oil in the Earth's surface - which will eventually run out... forcing us to use alternatives whether we want to - or not ! !
Crude oil.
Crude oil is very bad for the environment when in use, leading to environmental issues including global warming in the future