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a fossil fuel is a gas or oil. it's a nonrenewable resource. we have to preserve it because it takes about 100,000,000 years for nature to make some more. if we run out , more will come back in 100,000,000!
As because the sources are lmited and uses are crossing its limits....Days are not so far when there would be no further fossil fuels for our future generation .Then how do they survive.

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15y ago

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