Answer:
option D
Explanation:
The correct answer is option D
The two major crusts are Oceanic Crust and Continental Crust.
Continental Crust is a thicker Crust and it underlies the content. The layer of sedimentary rock, metamorphic rock combines to form Continental crust.
Oceanic Crust is comparatively thinner than Continental Crust and they underline the region of the ocean basins.