State two factors that work against an equitable distribution of natural resources.
(i) Over exploitation of these resources by the industrialists for short term gains.
(ii) Improper management which has lead to access of natural raw materials to certain groups of people which are either influential.
Show the occurrence of petroleum under the surface of earth.
Where is petroleum found and how is it extracted ?
Petroleum is found in sea or under earth. They are found under overlying impervious rocks. It is lighter than water, so does not get mixed with it and moves upward near the capping rocks. Wells are dug into these rock to pull of the petroleum. impervious rocks. It is lighter than water, so does not get mixed with it and moves upward near the capping rocks. Wells are dug into these rock to pull of the petroleum.