Earth
On October 11, 1999 the world population hit a milestone of how many?
More Questions from Earth
What forms when water condenses in the Earth's atmosphere?
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What is a meteoroid called if it lands on the Earth's surface?
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What is the name of the fossil resin that is often used in jewelry making?
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What did ancient farmers probably use to tell the passing of seasons?
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How long does it take for the Earth to rotate around completely on its axis?
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What is the area on one side of a mountain that receives little rain called?
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