Which best explains why magnets can push on or pull other magnets without touching them?
north poles always attract each other, and south poles always force each other away.
a magnetic field surrounds each magnet, which affects other objects with magnetic fields.
magnets with only a north pole field always attract magnets with only a south pole field.

Option (b) is the correct answer.

Explanation:

A magnet will always have both north and south pole. It is not possible that a magnet will have only north or south pole.

So, when a north pole is brought near a south pole then a magnetic field tends to develop around the poles. And, as like charges repel each other and opposite charges attract each other in the same way like poles oppose each other and unlike poles attract each other.

Hence, a north pole will get attracted towards a south pole and vice versa.

Therefore, we can conclude that the statement a magnetic field surrounds each magnet, which affects other objects with magnetic fields best explains why magnets can push on or pull other magnets without touching them.

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