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20 April, 12:23

Earths magnetic poles reverse approximately every___ years?

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  1. 20 April, 12:29
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    Answer: 250,000 years

    Explanation: Time periods between Earth's magnetic pole reversals are varied. There are geologic periods where multiple reversals have occurred and periods of no activity. In the last 3.6 million years, there have been at least nine reversals, the last occurring 730,000 years ago.
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