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Which event marked the creation of the supercontinent Pangaea? The lapetus Ocean closed during the Alleghanian Orogeny. Which mountain range is associated with the formation of Pangaea quizlet? The Appalachians were created by the closing of three ocean basins during the formation of Pangaea. Which was the third and finalRead More →

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During the Mesozoic, or “Middle Life” era, life diversified rapidly and giant reptiles, dinosaurs and other monstrous beasts roamed the Earth. The period, which spans from about 252 million years ago to about 66 million years ago, was also known as the age of reptiles or the age of dinosaurs.Read More →