reignwilliams42 reignwilliams42

02-05-2018
Biology

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This is a is a natural substance that cannot be re-made, re-grown, or regenerated as fast as it is used.

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gustyduck gustyduck

02-05-2018

Fossil Fuels is a perfect example

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blumberg blumberg

02-05-2018

Random guess, but oil/coal? It takes millions of years to form and people are using it up really quickly

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