Science
What was the first sound-recording device called?
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What pair of sensory organs are located near the front of an insect's head?
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If a jet cruises at 575 mph, how far will it go in 12 hours?
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Who was the commander of the first U.S. Space Shuttle mission?
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What is it called when the Earth, Sun and Moon lie in a straight-line configuration?
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What fuels were formed from the decayed remains of plants and animals?
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When a dog repeats a learned behavior and gets a reward, what process is shown?
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Where on the moon did people first land a spacecraft?
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