Problem: Which band recorded the soundtrack to the 1986 film, 'Highlander'?
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A: queen

Problem: The typical unit measure of 3.6MJ (mega joules) by which electric power is typically sold is more commonly called one?
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A: kilowatt hour

Problem: In 1852 American Elisha Graves Otis produced the first successful (eponymously branded) safety?
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A: elevator

Problem: According to the Bible, Nebuchadnezzar was the King of which region or empire?
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A:
babylon