Earth

How many days a year is the sun invisible at the North Pole?

More Questions from Earth
What winds in California are responsible for forest fires during the winter?
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What type of scientist studies microscopic plants and animals?
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What front results when a cold front takes the area of a warm front?
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In weather terms, what does the Fujita scale classify?
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What is the name of the fossil resin that is often used in jewelry making?
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What is the trapping of the sun's solar energy and radiation called?
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What type of landscaping is used to help conserve moisture?
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What's the name for the weight of air pushing down on Earth's surface?
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