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How were the great lakes formed answer
About 20, years ago, the climate warmed and the ice sheet retreated. One theory explains that the present day Estimated Reading Time: 3 mins. Feb 18, · We also have 3, miles of Great Lakes coastline, the most freshwater shoreline in the world. A massive sheet of ice, the last of the Ice Age glaciers, crept across the North American continent. It inched south, across the. How did the Great Lakes form? rainer-daus.de › education › resource-collections › freshwater › great-lake. You can find answers, opinions and more information for how were the great lakes formed answer. . Reddit is a social news website where you can find and submit content. Over a period of 20 million years, lava intermittently flowed from the fracture. How were the Great Lakes formed? About a billion years ago, a fracture in the earth running from what is now Oklahoma to Lake Superior generated volcanic activity that almost split North America. Over a period of 20 million years, lava intermittently flowed from the fracture. How were the Great Lakes formed? About a billion years ago, a fracture in the earth running from what is now Oklahoma to Lake Superior generated volcanic activity that almost split North America. Copy. they where formed by . How were Great Lakes formed? May 04, · Great Lakes Create. Log in. 0. ∙ Study now. See answer (1) Best Answer. Wiki User. When they had pulled back far enough to expose the land they. The Great Lakes were formed when massive sheets of ice (glaciers) began receding. These incredibly large lakes were formed by glaciation and are still surrounded by. The Great Lakes constitute the largest body of fresh water in the world.