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juin [17]
3 years ago
12

How often dose earth's magnetic field change direction?

Social Studies
2 answers:
lapo4ka [179]3 years ago
5 0

Answer:

It changes direction every 200,000 years

Explanation:

belka [17]3 years ago
3 0
It reverses every 200,000 years but it varies. In the span of a 72 million years it changed 5 times. The most recent one was 780,000 years ago so we are overdue for one. Some people theorize that the poles melting are the early stages of the field changing.
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