Earth
What is petroleum as found in the earth, before it is refined?
More Questions from Earth
What are large volcanoes that rise from the sea floor called?
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What organic material is formed from decaying organisms that mix with rocks?
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What was the name of the volcano that used to be Crater Lake?
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Mary Anning was the first to discover complete fossils of which prehistoric marine reptile?
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Where is the type location for the Mississippian Period?
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What famed rock is 1396 feet high, 2.75 miles long, and .25 miles wide?
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What is the name given to a fossil that best defines a rock layer's age?
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