Question

what is thickness of the crust ?​

Answer 1

Explanation:

• Beneath the oceans, the crust varies little in thickness, generally extending only to about 5 km. The thickness of the crust beneath continents is much more variable but averages about 30 km; under large mountain ranges, such as the Alps or the Sierra Nevada, however, the base of the crust can be as deep as 100 km.

Answer 2

Answer:

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Beneath the oceans, the crust varies little in thickness, generally extending only to about 5 km.