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What Is a Duel?
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What Is a Multiple?
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How Long Can People Go Without Drinking Water?
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Do Fish in Aquariums Swim in Freshwater or Saltwater?
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Why Do Some Jewish Men and Women Wear Yarmulkes or Kippot?
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What Does It Mean To Go Viral?
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Why Are Polar Bears White?
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Who Jumps the Highest?
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Why Do Cats Love Catnip?
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How Are Ponies and Horses Different?
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Can You Erase All Of Your Mistakes?
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What Do Gardens on Rooftops in Cities Look Like?
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How Did the Months of the Year Get Their Names?
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Who Was Nellie Bly?
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What Was the Spanish–American War?
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Who Was Dalip Singh Saund?
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Why Is Ocean Water Salty?
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Where Is the Hottest Place on Earth?