Earth
From which does the Global Positioning System receive its information?
More Questions from Earth
What is petroleum as found in the earth, before it is refined?
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What type of landscaping is used to help conserve moisture?
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What type of boundary is made by the Mariana Trench?
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What is water that flows over the ground rather than seeping into it called?
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What are mounds of sand that have been windblown called?
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What are solids contained in the gas that issues from a volcano called?
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What is the repeating cycle of precipitation, condensation and evaporation called?
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