How often does the Earth's magnetic field switch polarity? How often does the Earth's magnetic field switch polarity? every 100,

Question

3 years ago

11

000 to several million years every 10,000 to 50,000 years every 10,000 to 100,000 years every 500,000 years

1 answer:

serg [7] · Answer 1 · 2022-04-27T19:40:56+03:00

serg [7]3 years ago

3 0

Answer:

every 100,000 to several million years

Explanation:

This is the closest option. .

The last happened about 780,000 years ago and is called the Brunhes–Matuyama reversal.