Since a flat earth has no core, no central mass of iron to generate magnetism, and no poles would exist on a flat plane, polarity would be virtually, if not entirely non-existent.
Would the polarity of the earth be different if it were flat?
Since a flat earth has no core, no central mass of iron to generate magnetism, and no poles would exist on a flat plane, polarity would be virtually, if not entirely non-existent.
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