Which of the following is correct?
A)Continental crust is less dense than oceanic crust and dominated by silica and magnesium.
B)Continental crust is denser than oceanic crust and dominated by silica and aluminum.
C)Oceanic crust is less dense than continental crust and dominated by silica and aluminum.
D)Oceanic crust is denser than continental crust and dominated by silica and magnesium.
E)The density of continental and oceanic crust is roughly even,though the density varies in both time and space.

Question

Quizplus · Accepted Answer

Oceanic crust is denser than continental crust due to its higher content of magnesium and iron. It is also dominated by silica but not aluminum, which is more common in continental crust.

Which of the Following Is Correct