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Which of the following best describes magnetic fields?
A. Magnetic fields need a conductor.
B. Magnetic fields are always found in insulators.
C. Magnetic fields have north and south magnetic poles.
D. Magnetic fields must have only positive charges.

Respuesta :

katze
C. Magnetic fields have north and south magnetic poles. 

Answer:

C

Explanation:

Because the north and the south pole are like the earth if they didn't attracted  we would all die.

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