Earth
From which does the Global Positioning System receive its information?
More Questions from Earth
What is a plant with no internal system of tube like structures called?
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A weather proverb says "A year of snow," followed by what?
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What is a person called who specializes in the physical structure and process of the earth?
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Which of these is the best way meteorologists track big storms such as hurricanes?
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In the U.S., the spring equinox occurs in what month?
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