Earth

What is an underwater boat with its own power and air supply called?

More Questions from Earth
What weather-related term comes from Greek words for "high in the sky" and "knowledge"?
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Earth's crust is made of many pieces called ______ plates.
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What is another name for Mt. Kilimanjaro?
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What is the only continent on Earth that does not have snakes?
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Sudden flooding caused by heavy rain is called what?
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In weather terms, what turns to water in a "spring thaw"?
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What is a worldwide increase in temperature called?
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What ongoing process allows water to be constantly recycled?
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