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How Did the Pretzel Get Its Shape?
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What Is a Smokejumper?
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How Strong Is a Horse?
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Are Eels Really Electric?
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What Is the Most Popular Book of All Time?
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When Is Something Worth Celebrating?
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What Is Pole Position?
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Are Debit Cards and Credit Cards the Same?
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How Many Stars Are In the Universe?
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Where Is the Milky Way?
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Why Do Some People Need Glasses?
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Who Is the Fastest Swimmer?
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Why Are There Dimples On a Golf Ball?
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How Are Wax Figures Made?
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What Was the Joseon Dynasty in Korea?
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What Is a Phoenix?
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What is the Grito de Dolores?
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Where Is Scandinavia?
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How Does a Cactus Live Without Water?
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What Makes Bloodhounds Good Detectives?