Multiple Choice
A core sample is taken 100 km west of and parallel to a ridge system. Magnetic readings of the rock show a reversal of the Earth's magnetic field. How many km east of the ridge system must scientists travel to collect a core sample with the same magnetic properties?
A) 50
B) 100
C) 200
D) 0 km; collect the sample directly at the ridge
Correct Answer:
Verified
Correct Answer:
Verified
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