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What Type of Shark Is the Slowest?
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Why Do You Have To Pay Taxes?
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Have You Ever Been in a Spelling Bee?
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Why Did Women Make Doilies?
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Who Was the Queen of Soul?
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Why Is Coffee Called “A Cup of Joe”?
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Who Invented the Toilet?
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How Does a Species Become Endangered?
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Where Did Snowboards Come From?
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Why Didn’t Canada Buy Alaska?
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Why Are All Snowflakes Different?
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How Did Environmentalism Start?
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How Does Bitcoin Work?
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Who Were the Freedom Riders?
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Who Made the American Flag?
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Did a Spy Start the Scouts?
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What Is Margarine?
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Who Is the Unknown Soldier?
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Do Animals Play Hide and Seek?
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How Old is American Football?