A.
high-density rock made of iron and nickel
B.
cool and brittle rock broken into plates that slowly move
C.
very hot rock that is always slowly moving in a circular pattern
D.
extremely hot liquid rock made of iron that creates Earth’s magnetic field
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The statement that best describes Earth’s mantle is:
C. very hot rock that is always slowly moving in a circular pattern.
The mantle is composed of semi-solid rock that can flow slowly over geological time, and the movement is often described in terms of convection currents.
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