Multiple Choice
A possible cause for the existence of the Earth's magnetic field is due to
A) great numbers of very slow moving charges in the Earth, but not choice A or C.
B) convection currents in the liquid part of the Earth's core, but not choice A or B.
C) moving charges in the liquid part of the Earth's core, but not choice B or C.
D) Choices A, B, and C are all false.
Correct Answer:

Verified
Correct Answer:
Verified
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