Science
Who discovered the rotating magnetic field that is the basis of Alternating Current?
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Who was known for his famous "oil-drop" experiments to determine the charge of the electron?
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Who discovered that a moving magnet generates electric current known as electromagnetic induction?
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What are plants that grow, flower, make seeds and die in one year?
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The science term "precipitation" is best defined as which of these?
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Who was the commander of the first U.S. Space Shuttle mission?
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Which of these is the formula to convert Fahrenheit to Celsius?
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An isogeotherm is an imaginary line connecting points of equal temperature where?
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