Earth
How old do scientists think the Earth is?
More Questions from Earth
What did ancient farmers probably use to tell the passing of seasons?
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What name is used specifically to describe the region around the South Pole?
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How long does it take for the Earth to rotate around completely on its axis?
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What are minerals found in high quantities and worth mining called?
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What is the Hawaiian name for smooth-flowing basaltic lava, often appearing twisted and rope-like?
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What mineral makes both sapphires and rubies when cut and polished?
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