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How Did the Pretzel Get Its Shape?
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Why Do You Have To Pay Taxes?
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Why Do We Round Numbers?
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How Many Stars Are In the Universe?
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Where Is the Milky Way?
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Who Was Viola Desmond?
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Why Do Some People Need Glasses?
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Who Is the Fastest Swimmer?
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Why Do Some Roads Have Tolls?
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What Was the California Gold Rush?
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Can You Count on the Census?
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What Does It Mean to Retire From a Job?
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How Are Wax Figures Made?
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What is the Grito de Dolores?
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Are Tomatoes Fruits or Vegetables?
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What Were the Intolerable Acts?
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Why Are There Twelve Grades of School?
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How Does a Cactus Live Without Water?
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What Makes Bloodhounds Good Detectives?
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How Much Do You Weigh On the Moon?