Answer:
active transport; osmosis
Oceanic crust is <em>denser than continental crust</em>. It is also younger than continental crust as continental is the older of the two crusts.
Oceanic crust is mostly made of igneous rocks (like basalt) , partially comprised of iron and magnesium.
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D. creative. Being creative is having the ability to generate ideas that are original, novel, and useful. Hope this helps!