In the interior of continents the earth's crust is typically about 40km thick and the elevation is near sea level.In an area where the crust is 20km thick,isostasy would suggest the elevation in this area would be ________ unless the density changes from one area to the other.

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Quizplus · Accepted Answer

Isostasy suggests that the weight of the crust is balanced by the buoyancy of the mantle. If the crust is thinner, it will be less dense and will float higher on the mantle, resulting in a higher elevation.

In the Interior of Continents the Earth's Crust Is Typically