Chemistry
Coal: A Lesson in Economic Geology
Economic geology is the use of materials for the benefit of society. Two such materials, coal and petroleum, comprise 90% of all the energy budgeted in the United States. […]
Professor John Renton
Economic geology is the use of materials for the benefit of society. Two such materials, coal and petroleum, comprise 90% of all the energy budgeted in the United States. […]
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