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26-02-2022
Geography

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Scientists know the history of earth’s magnetic field because.

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26-02-2022

Answer:

THE MAGNETIC FIELD BECOMES FROZEN INTO ROCKS, AND PLATE TECTONICS SPREADS THOSE ROCKS OUT

Explanation:

we can study the orientation of structures in rocks to determine where the field lines pointed, and by dating those rocks, we can trace the changes in the earth's magnetic field

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