Multiple Choice
What is the basic structure of Earth's interior?
A) solid iron inner core, molten iron outer core, rocky mantle, lighter rocky crust
B) molten iron inner core, molten rocky outer core, solid rocky mantle, lighter rocky crust
C) molten iron core, molten rocky mantle, solid rocky crust
D) molten iron inner core, solid iron outer core, rocky mantle, lighter rocky crust
Correct Answer:

Verified
Correct Answer:
Verified
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