The Moon Apparently Has

The Moon apparently has:

A) a small iron-rich core that was entirely molten in the Moon's history, as shown by magnetic measurements.
B) an iron core that takes up about half the volume of the Moon, as shown by the very high average density of the Moon.
C) no dense iron-rich core of any kind, as indicated by gravity measurements using orbiting spacecraft.
D) a small, molten iron-rich core at the present time, as indicated by the Moon's weak global magnetic field.

Correct Answer:

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