Which layer in the earth is similar in composition to basalt, a dark lava rock?
A) continental crust
B) oceanic crust
C) upper mantle
D) lower mantle
E) core

Name: Which layer in the earth is similar in composition to basalt, a dark lava rock? A) continental crust B) oceanic crust C) upper mantle D) lower mantle E) core
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Question

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The oceanic crust is similar in composition to basalt, a dark lava rock, because it is primarily composed of basaltic rocks formed from the cooling of magma at mid-ocean ridges.

Which Layer in the Earth Is Similar in Composition to Basalt