Science
What tool do people at sea use to measure distance with echoes?
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In what year did Einstein submit his paper containing the correct field equations of general relativity?
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What is the study of stars, planets and galaxies called?
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What is an angle that an airplane's wings make with a horizontal plane called?
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How far does a car moving at 60 miles per hour cover in one second?
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Who is responsible for the Lost Continent of Atlantis theory?
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According to Ohm's Law, what would the resistance be in a circuit with 40 volts and 8 amps?
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The four engines of a Boeing 747 jet produce 188,000 pounds (85,275 kilograms) of what?
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