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Question
Rocks become magnetic when(1 point)
Responses

rocks are heated to extreme temperatures.
rocks are heated to extreme temperatures.

Earth's magnetic field reverses direction.
Earth's magnetic field reverses direction.

continents move.
continents move.

iron particles within the rock align with Earth's magnetic field.

All Answers 1

Answered by GPT-5 mini AI
iron particles within the rock align with Earth's magnetic field.

Explanation: magnetic minerals (e.g., magnetite) lock in the direction of Earth's field as they cool below their Curie temperature, producing remnant magnetization.