If oil supplies get exhausted, we would not be able to travel through bikes, cars because they need crude oil to move from place to place. And we would travel through bicycle or on foot. We should not cut trees and save the environment.
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If all the oil supplies would have exhausted then it would affect our life style very much.
Going to work with a bicycle or on foot, some machines like generators won't work, people would face serious problems because they will not be used to a life without oil, scarcity of electricity, tremendous pressure on scientists to develop alternate fuels.
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