Earth

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

More Questions from Earth
What do the Japanese call a hurricane?
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The Hawaiian Islands are a good example of which type of volcano?
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What type of rock is coal?
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What instrument indicates wind direction?
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What is the hardest mineral known on Earth called?
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The science term "weather vane" is best defined as which of these?
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What front results when a cold front takes the area of a warm front?
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What clouds have bases between 6,000 and 18,000 feet?
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