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What Was the Joseon Dynasty in Korea?
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What Is the Fastest Train?
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Where Is the 38th Parallel?
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What Is Kimchi?
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What Is K-Pop?
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How Many Times Does Your Heart Beat in a Lifetime?
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Who Is the Fastest Swimmer?
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Can a Human Outrun a Cheetah?
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How Does WiFi Work?
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How Fast Can a Boat Go?
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What Is a Hurricane?
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Which Bird Flies the Fastest?
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How Much Does It Cost To Go to College?
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Who Was the Great Impostor?
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How Many Countries Participate in the Olympics?
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How Many Breaths Do You Take Each Day?
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Have You Ever Tasted Tofu?
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Why Does It Hail?
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Why Do You Blink?
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Do Hummingbirds Really Hum?