Earth

What is the opening that spews out lava called?

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What is water that flows over the ground rather than seeping into it called?
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A 17.5-inch hailstone was recorded in what U.S. state?
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What basic cloud formation resembles cauliflower?
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What is the name for the semiarid region that surrounds most deserts?
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What type of radar measures radial velocity?
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What winds in California are responsible for forest fires during the winter?
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A clear sky contains very few what?
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What word means to degrade naturally?
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