Earth
From where does 90% of the water vapor in the air come?
More Questions from Earth
What mineral makes both sapphires and rubies when cut and polished?
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What are large volcanoes that rise from the sea floor called?
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In the United States, summer officially begins in which month?
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About 100 lightning bolts strike the earth how often?
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Weather radar that measures direction and speed of a moving object best fits which science term?
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What is the imaginary line that runs around the Earth halfway between the poles called?
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One needs to travel to which state in New England to see the highest tides?
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