Please help! Compared to continental crust, oceanic crust

A is thicker
B is denser
C more varied in its rock types
D is older

I really need help! And quick

The crust is the outer layer of the Earth. It is the solid rock layer upon which we live. ... Continental crust is typically 30-50 km thick, whilst oceanic crust is only 5-10 km thick. Oceanic crust is denser, can be subducted and is constantly being destroyed and replaced at plate boundaries.

So the answer is B the Oceanic crust is denser than the Continental crust

answer; decreased;