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The largest amount of coal was formed during the assemblage of Pangaea in the Carboniferous and Permian Periods.
Q4: A _ is defined as a long-term
Q8: The heavy dependence on oil and natural
Q18: On geologic maps,_ denotes different ages of
Q33: Which of the following is NOT a
Q36: The Bill of Rights consisted of the
Q49: The mechanism of wind erosion in which
Q56: What types of metallic mineral ores may
Q68: Stalactites are carbonate deposits that commonly occur
Q70: Greenschists and amphibolites form in moderate to
Q77: Why did settlers in New England have