Magnetic poles that are alike repel each other.
I agree because if no one had a reason as to why they did the idea, how would we have known how to do it ourselves.
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Tell me 5 of the contributions and I'll rank and write the explanation
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When early humans began farming, they were able to produce enough food that they no longer had to migrate to their food source. This meant they could build permanent structures, and develop villages, towns, and eventually even cities. Closely connected to the rise of settled societies was an increase in population.
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