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The study of Earth’s History via the only remaining records known to man, fossils.

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It’s really easy to get lost in the midst of the words: Eras, Periods, Pre-Cambrian, Paleozoic, Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Mesozoic, Triassic, Jurassic (I bet this one you’re familiar with) and Cretaceous especially when reading a geology-based article. Good News! Here’s your chance to get to know the terms.