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Who Invented the Alphabet?
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Are You a Good Observer?
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Does Music Help You With Math?
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What Is a Prime Number?
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When Did the New Year’s Eve Ball First Drop in Times Square?
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Why Don’t All Months Have the Same Number of Days?
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How Many Is a Googol?
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How Often is “Once in a Blue Moon”?
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What Is Pi?
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Why Do People Make New Year’s Resolutions?
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What Is Bastille Day?
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What Is an Eagle?
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How Tall Is the Eiffel Tower?
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Who Is Sonia Sotomayor?
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Where Is the Emerald Isle?
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What Is the Pythagorean Theorem?
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What Do Animals Squirrel Away for Winter?
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How Many Hot Dogs Can You Eat In 10 Minutes?
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Do Other Countries Celebrate Halloween?
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What is an Emu?