Science
In math, "pi" is equal to?
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Who discovered that a moving magnet generates electric current known as electromagnetic induction?
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In which constellation was the first double star observed?
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What is a return of the electron beam to the top of a television picture tube?
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Which Apollo mission was launched on December 21, 1968, and spent Christmas in lunar orbit?
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What would you call a statement of expected future occurrences?
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What metal is used for most electrical wire and cable?
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What sort of electricity do you get when you rub two balloons and they stick together?
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