Earth
What process carries minerals down into lower soil horizons?
More Questions from Earth
Which of these pairs of elements was discovered before the 14th century?
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From which does the Global Positioning System receive its information?
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Who published the groundbreaking book "Principles of Geology" in 1830?
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In weather terms, what does the Fujita scale classify?
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Which of the following items is a tool used to tell time by the sun's movement in the sky?
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What is the name for the semiarid region that surrounds most deserts?
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