I believe its b , hope it helps
The continental crust is made up of rocks that consist primarily of silica and alumina called the "sial". The next layer of the Earth is called the mantle.
Answer:
A global rise in sea levels
Explanation:
I took the test and I got it right. Hope this helps!
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Answer:
7,151 languages are spoken today.
Answer:
Continental Drift:
-Pangaea broke and spread apart
-continents were once one land mass
Plate Tectonics
-Landforms result from moving plates
-plates move and interact
-Lithosphere is made of large pieces
