Earth
What is petroleum as found in the earth, before it is refined?
More Questions from Earth
What's the name for the weight of air pushing down on Earth's surface?
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What is a person called who specializes in the physical structure and process of the earth?
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What is the study of atmospheric conditions and climate called?
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What was the most common type of rock to be found during the Precambrian Period?
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Although beaches can be comprised of any particle, the majority of them consist of what?
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What is the estimate of the true age of a mineral or rock called?
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What percentage of rock-forming minerals are silicates?
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