When you break an iron magnet into two pieces, you get
two north poles
two south poles
two north poles and two south poles
a piece of iron that is no longer magnetic

The best and most correct answer among the choices provided by your question is the third choice or letter C.

When you break an iron magnet into two pieces, you get,  two north poles and two south poles.

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Ijust took the quiz. their is no coefficient needed. : )