Final answer:
Like poles repel; unlike poles attract - a fundamental property of magnets.
Explanation:
Like poles repel each other, while unlike poles attract each other. This is a fundamental property of magnets known as magnetic polarity.
This concept is observed in various scenarios, from the behavior of magnets to manifestations on a larger scale like the Earth's magnetic field.
Understanding magnetic poles can be exemplified by experiments with refrigerator magnets, showing the interaction between magnetic fields.
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