Earth

What causes the sound in a seashell?

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A "gustnado" is a gust from what?
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What percentage of known volcanoes are subaerial, meaning they erupt into the atmosphere?
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What color was the dust that swept the Great Plains?
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What type of topography describes caves, caverns, and sinkholes?
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Weather radar that measures direction and speed of a moving object best fits which science term?
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What is water that flows over the ground rather than seeping into it called?
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In the U.S., the spring equinox occurs in what month?
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What evidence tells scientists that some dinosaurs may have lived together in groups?
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