Science
What must occur for electricity to flow?
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Who discovered the rotating magnetic field that is the basis of Alternating Current?
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What scientist first showed that a changing electric field produces a magnetic field?
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Which characteristics do organisms use to help them survive in their environment?
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A ramp is an example of which of these simple machines?
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Sudden, transient motion or trembling of the earth's crust best fits which science term?
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