Give geographical reasons . Any 2 (4) 1. The interior of earth is very unstable
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Because the magnetic field is generated by a dynamically convecting and rotating sphere of liquid, it is unstable. Every now and then, after several hundred thousand to several million years, the earth's magnetic field becomes unstable to the point that it temporarily shuts down.
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Explanation:
Because the magnetic field is generated by a dynamically convecting and rotating sphere of liquid, it is unstable. Every now and then, after several hundred thousand to several million years, the earth's magnetic field becomes unstable to the point that it temporarily shuts down.
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