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Parental Guidance Ratings
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Passing of the Civil Rights Act of 1964
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Personal Data Collection
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Personal Drones
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Photosynthesis
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Physics in the Real World
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Piranha
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Polar Bears Matter
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Political Resistance in the Current Age
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Politics and Civil Unrest in Modern America
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Pollinators: Animals Helping Plants Thrive
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Pony Express
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Pope Francis: Catholic Spiritual Leader
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Postwar Era: 1945–Early 1970s
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Powerful Military Vehicles
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Powering a City
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