In contrast to the Earth and Mercury,the fact that the Earth's moon has no magnetic field implies that
A) the moon is spinning too slowly to produce a magnetic field.
B) the interior of the moon is too hot to produce a magnetic field.
C) the crust of the moon is so thick that the magnetic field can not get out of the interior.
D) the moon's core contains little if any molten iron.
E) the moon is moving farther from Earth.

Question

Quizplus · Accepted Answer

The lack of a magnetic field on the Moon suggests that it lacks a molten iron core, which is necessary for generating a magnetic field through the dynamo effect.

In Contrast to the Earth and Mercury,the Fact That the Earth's