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BBE Quiz Questions with Correct Answers Latest Update Graded A+
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BBE Quiz Questions with Correct Answers Latest Update Graded A+ According to Dave Morris's 'The Once and Future Carbohydrate Economy', "In 1820, Americans used two tons of [plant matter] for every one ton of [coal/oil]... But by 1975 Americans used ________ ton(s) of [coal/oil] for every one...
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