Earth

From where does 90% of the water vapor in the air come?

More Questions from Earth
What is a sudden and heavy rainfall or downpour called?
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What is the name of the submerged fringe of a continent?
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What's the name for the weight of air pushing down on Earth's surface?
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What word means a mild or moderate temperature?
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What are the features on the surface of the Earth called?
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What word is generally used to describe visible air pollution?
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Which of these planets is smaller than Earth?
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What is the name of the limestone formation that rises from a cave floor?
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