Science
What tool do people at sea use to measure distance with echoes?
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What is the generic term for very small loose particles of hard, broken rock or minerals?
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What section of an insect's body are the legs and wings attached to?
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What is the name for a body in orbit around the Sun?
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What spacecraft takes astronauts into space, orbits the Earth and can be flown more than once?
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Which of the following things can move the fastest?
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Which person is known for establishing the laws of motion and gravity?
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