The average length of a period during which a given magnetic field polarity exists is about
A) 10,000 years.
B) 100,000 years.
C) 500,000 years.
D) 1,000,000 years.

Name: The average length of a period during which a given magnetic field polarity exists is about A) 10,000 years. B) 100,000 years. C) 500,000 years. D) 1,000,000 years.
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Question

Quizplus · Accepted Answer

The average duration of a magnetic field polarity period, known as a geomagnetic chron, is approximately 500,000 years.

The Average Length of a Period During Which a Given