Q: What instrument is used to measure the specific gravity (or relative density) of liquids such as beer and wine?
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A: hydrometer

Q: Popularized in a speech by Winston Churchill, what was the popular name for the ideological and physical boundary between Western and Eastern Europe during the Cold War?
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A: iron curtain

Q: In Shakespeare's 'The Tempest', what is the name of the daughter of 'Prospero' who falls in love with 'Ferdinand'?
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A:
miranda