Multiple Choice
Does Mars have a planet-wide magnetic field?
A) Yes, it does.
B) No, because the rotation rate is too slow to produce the necessary electric currents.
C) No, because the core is solid, not liquid.
D) No, because the core, although a liquid mixture of iron and sulfur, does not support electric currents.
Correct Answer:
Verified
Correct Answer:
Verified
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