Science
What is a steep-sided circular depression commonly known as?
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Who discovered the supernova and was the first to theorize that stars "die"?
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What is a machine capable of performing tasks automatically called?
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How long does it take for Saturn to rotate completely on its axis (a typical day)?
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Dolly was the first ever living creature to be cloned. What type of animal was she?
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Which of these objects is an example of a simple machine?
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Which electronic component can be classified as NPN or PNP?
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