hganBullgir
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Basalt, formed from magma, contains iron-rich minerals. Why is basalt important?

AIron is magnetic and it triggers the reversal of Earth's magnetic field.
BIron is rich in nutrients and makes the soil easily identifiable.
CIron is magnetic and records the orientation and direction of Earth's magnetic field.

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taskmasters

I think the correct answer from the choices listed above is option C. Basalt is important since it contains iron-rich minerals that are magnetic and used to record the orientation and direction of Earth's magnetic field. Hope this answers the question. Have a nice day.

Iron is magnetic and records the orientation and direction of Earth's magnetic field.

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