Earth

What are mounds of sand that have been windblown called?

More Questions from Earth
What percentage of rock-forming minerals are silicates?
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What occurs when the earth is between the sun and moon?
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What is another name for the "Humboldt Current"?
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What word means "the shakes that come after the earthquakes"?
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Abnormally warm weather in autumn is called what?
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Which national park is directly west of the Painted Desert?
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Which word means to "filter down through the soil horizons"?
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Where is most of the earth's gold located?
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