• Andy McIntyre posted an update in the group Group logo of Fact a Day 2022Fact a Day 2022 1 month, 2 weeks ago

    2/6 Once the glaciers retreated, the Earth’s crust started to rebound (rise). The result is that the north side of Lake Superior keeps rising by about one foot (30-50cm) per century compared to lands along the southern edge of the Great Lakes. This process is called “isostatic rebound” by geoscientists.

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