Earth

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

More Questions from Earth
What bodies of water cover almost 70% of the Earth?
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What region surrounds the North Pole?
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What percentage of known volcanoes are subaerial, meaning they erupt into the atmosphere?
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Earth's crust is made of many pieces called ______ plates.
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What "flow" causes a buckling effect in the jet stream?
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How many moons does Earth have?
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What is the repeating cycle of precipitation, condensation and evaporation called?
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What "foggiest" world capital averages 47 fogs a year?
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