Multiple Choice
Scientists believe that the inner core of the Earth is
A) a rocky solid, composed of iron and magnesium-rich silicates.
B) liquid, comprising molten iron.
C) a metallic solid, composed of nickel.
D) solid metal, composed of mostly iron.
E) a molten alloy of iron and nickel.
Correct Answer:
Verified
Correct Answer:
Verified
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