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Biology, 22.01.2020 22:31 mbrisen3396

According to some energy experts, why could tar sands and oil shale become important energy resources in the near future? a. they could change into petroleum. b. they could supply fuels that now come from petroleum. c. they could be made by artificial means. d. they could be renewable resources for providing needed fuel.

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According to some energy experts, why could tar sands and oil shale become important energy resource...
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