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Why Do Pianos Have 88 Keys?
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What Was the Joseon Dynasty in Korea?
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Where Does French Toast Come From?
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Are You in the Red or the Black?
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Where Is the 38th Parallel?
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How Do You Play the Piano?
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What Is K-Pop?
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What Is a Muscle Car?
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How Many Countries Participate in the Olympics?
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Who Was the Great Impostor?
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Have You Ever Tasted Tofu?
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What Is Mercury?
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Where in the World Is Myanmar?
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How Are Instruments Made?
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Can You Play Tennis on a Table?
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What Is Kimchi?
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Can You Ride a Sound Wave?
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What Happens When Planets Are Retrograde?
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What Is Wasabi?
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Can You Make Music with Water Glasses?