Earth
What organic material is formed from decaying organisms that mix with rocks?
More Questions from Earth
How many days does it take for the Earth to revolve around the sun?
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What did Wegener call the main landmass that all the current ones came from?
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What are solids contained in the gas that issues from a volcano called?
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What is the name for huge waves that are often caused by an underwater earthquake?
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What was the name of the volcano that used to be Crater Lake?
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