Earth
Ruby and sapphire are gem forms of which mineral?
More Questions from Earth
What are mounds of sand that have been windblown called?
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What is the highest mountain, considering just the contiguous United States?
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The definition of "subjective term for warm and excessively humid weather" best fits which science term?
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What organic material is formed from decaying organisms that mix with rocks?
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What type of fossils give only evidence of activities of past living creatures?
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The side of a sail furthest away from the wind is what?
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