3 years ago

I'll give brainliest!

2 answers:

8 0

Answer: Earth's magnetic field has flipped its polarity many times over the ... Earth has settled in the last 20 million years into a pattern of a pole reversal about ... And while reversals have happened more frequently in "recent" years, when ... per year, as opposed to about 10 miles per year in the early 20th century.

Explanation:

Mama L [17]3 years ago

3 0

the answer to this problem is 15

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