Oceanic crust is denser than continental crust because ____.
A)continental crust stands at a higher altitude
B)oceanic crust is rich in silica
C)oceanic crust is compressed at convergent boundaries
D)water pressure from the oceans makes oceanic crust thinner
E)oceanic crust is rich in iron- and magnesium-containing minerals

Question

Quizplus · Accepted Answer

Oceanic crust is denser than continental crust primarily because it is composed of basalt, which is rich in iron and magnesium minerals. These minerals have a higher density compared to the silica-rich minerals that dominate the continental crust.

Oceanic Crust Is Denser Than Continental Crust Because ____