Multiple Choice
Magnetic iron-bearing minerals that crystallize out of magma ____.
A) align themselves with the Earth's magnetic field and only record direction
B) record the strength of the Earth's magnetic fields
C) become easily altered and lose their magnetic properties
D) record both direction and strength of the Earth's magnetic field at time of crystallization
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
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