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What Makes Popcorn Pop?
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Why Do Some People Need Glasses?
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How Is a $1 Bill Made?
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What Is a Volcano?
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Why Is Sand or Salt Put On Roads When It Snows?
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Who Invented Blue Jeans?
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Why Do We Eat Turkey on Thanksgiving?
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Why Do You Need To Wash Your Hands?
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How Many Hot Dogs Can You Eat In 10 Minutes?
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How Tall Is the Eiffel Tower?
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What Is a Dog Sled?
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How Much Do You Weigh On the Moon?
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Who Was Sonia Delaunay?
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What Is a Multiple?
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Why Do Superheroes Have Secret Identities?
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Why Do People Kiss Under Mistletoe?
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What Is the President’s Challenge?
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Who Wrote the National Anthem?
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What Is the Vernal Equinox?
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What Is an Emperor Penguin?