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During the last ice age, glaciers significantly shaped North America's landscape by carving out valleys, forming lakes, and creating features such as fjords and moraines. As they advanced, they also altered river systems and deposited sediments, which contributed to soil formation in various regions. The immense weight of the glaciers caused land subsidence, and their eventual retreat led to rising sea levels and ecological changes, paving the way for new habitats and species evolution. Overall, glaciers played a crucial role in sculpting the physical and environmental characteristics of the continent.

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3d ago

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