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This awesome feature allows students to learn about each period, era, epoch, or eon in Earth history with a simple click. This feature contains full-length articles, images, videos and more for each part of Earth's history including the Paleozoic, Mesozoic, Cenozoic eras, the Quaternary, Tertiary, Cretaceous, Jurassic, Triassic, and Permian Periods, and many others.

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