Question

The presence of a magnetic field is a good indication that
A) the Earth's interior is similar to Mercury's, as both have fields.
B) a huge iron meteorite lies somewhere high up in the mantle, not in the core.
C) the Earth has a liquid metal outer core, spinning rapidly as it rotates.
D) the Earth's interior must be completely molten to the center.
E) the Earth's interior has had time to solidify, with a rigid bar magnet created.

Answer

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