Question

what is the thickness of the earth's crust​

Answer 1

Answer:

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.

Explanation:

100 KM

Answer 2

Answer:

option A) 5 to 50 km

Explanation:

the thickness of the earth's crust is 30km so the answer is option (A)