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Who Invented the Alphabet?
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How Do Streets Get Their Names?
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Why Are They Called Deadlines?
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When Did the New Year’s Eve Ball First Drop in Times Square?
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Who Invented Numbers?
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How Do You Connect the Dots?
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Does Music Help You With Math?
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What Is a Prime Number?
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How Will Future Astronauts Travel To Outer Space?
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How Tall Is the Eiffel Tower?
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What Is a Biodome?
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How Much Does Penny Candy Cost?
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What's Your Favorite Ice Cream Flavor?
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Why Is There a Great Red Spot on Jupiter?
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What is an Emu?
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What Is a One-Hit Wonder?
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How Many Seconds Are In a Year?
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Why Does Helium Change the Sound of Your Voice?
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What Happens to Old Tires?
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Have You Ever Had a Frog In Your Throat?