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pashok25 [27]
2 years ago
9

How are earth's magnetic field reversals recorded in the ocean floor?.

Geography
1 answer:
Jlenok [28]2 years ago
6 0

Answer:

Magnetic reversals - Evidence suggests that the earth's magnetic field has periodically reversed its polarity in the past. ... Small magnetite crystals in a cooling lava flow act like tiny compass needles, preserving a record of the earth's magnetic field when the lava solidifies.

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