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Why Do Some Eggs Have Two Yolks?
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What Is a Prime Number?
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How Did the Months of the Year Get Their Names?
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Can the Fountain Of Youth Make You Younger?
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Where Was Abraham Lincoln Born?
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Have You Ever Had a Frog In Your Throat?
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Why Is the Liberty Bell Cracked?
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What Is a Siesta?
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Do You Judge a Book by Its Cover?
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How Much Is a Sand Dollar Worth?
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Who Was Lou Castro?
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What Was the Lewis and Clark Expedition?
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Is a Gob More Than a Smidgen?
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How Tall Is the Washington Monument?
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How Far Can Butterflies Fly?
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How Do You Tap a Maple Tree?
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Do Growing Pains Hurt?
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Where Is El Capitan?
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Who Was the First Person in Space?
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Why Does It Hail?