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Why Do Cicadas Emerge Every 17 Years?
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Can You Garden in the City?
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What Is a Prime Number?
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What Causes Freckles?
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Why Do People Have Birthmarks?
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Who Was Saint Patrick?
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What Is a Haiku?
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Where Does the Sand on Beaches Come From?
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What Is a Random Act of Kindness?
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What Are Saturn’s Rings Made of?
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Will a Watermelon Grow in Your Belly if You Swallow a Seed?
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What’s the Difference Between a Crocodile and an Alligator?
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Why Do Pigs Like Mud?
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Who Is the Wisest Bird?
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Have You Ever Worn a Sombrero?
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What Are Wisdom Teeth?
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Where Is the City of Lights?
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Do You Prefer Salt or Pepper?
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Is It Catsup or Ketchup?
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Can You Escape From Handcuffs?