Relative to the thickness of the earth's crust under the continents, under the oceans the crust is
A) thinner.
B) about the same in thickness.
C) thicker.
D) Any of these choices could be correct, depending on the ocean.

Question

Quizplus · Accepted Answer

The thickness of the oceanic crust is generally around 5-10 km, whereas the continental crust can be up to 70 km thick. Therefore, the oceanic crust is thinner relative to the thickness of the earth's crust under the continents.

Relative to the Thickness of the Earth's Crust Under the Continents