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Where do hippopotamus live?

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In anatomy, what is the inferior vena cava?

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The world’s most active volcano is in which state?

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Where would you find your bicuspid valve?

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Which metal is an alloy of copper and tin?

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What color is a bald eagle’s head?

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What is the fastest breed of dog?

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The “Ring of Fire” is the volcano zone around which water?

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What is the name of a drug used to put you to sleep?

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Halley’s comet appears every how many years?

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