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Explain this statement from the reading passage. "Like a compass,some rocks contain little "magnet".​

User Chris Rohit Brendan
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19 votes

Answer:

it is Paleomagnetism.

Many rocks record the strength and direction of the earth's magnetic field at the time the rocks formed. 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.

User Jschnasse
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