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ser-zykov [4K]
3 years ago
14

The oceanic crust is composed of dark igneous rocks called __________; whereas the upper continental crust has an average compos

ition of a __________ rock.
Geography
1 answer:
inysia [295]3 years ago
4 0

Answer:

Basalt, sedimentary rock.

Explanation:

  • The reason why the continental crust differs from the oceanic crust is much different in its compositions. The continental crust is thin and less dense , is made of sedimentary and metamorphic rocks than the oceanic crust and is made of lighter elements. The tectonic plates move the composition to the rocks.
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