Multiple Choice
Earth's magnetic field originates in:
A) a solid, permanently magnetized core in the interior of Earth.
B) intense electric currents flowing in the Van Allen belts within the magnetosphere of Earth.
C) the tidal ebb and flow of electrically conducting seawater in Earth's oceans.
D) slowly moving currents of molten iron that produce electric currents in the deep interior of Earth.
Correct Answer:

Verified
Correct Answer:
Verified
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