Problem: The use of what widely used product was first demonstrated at Merstham Quarry, Surrey in 1867?
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A: dynamite

Problem: On the London Underground map what is the colour of the Jubilee Line?
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A: silver

Problem: "What crop was ""king"" in the antebellum U.S. South?"
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A: cotton

Problem: What brand of sugary drink mix did astronauts drink?
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A:
tang