Earth's magnetic poles
A. are fixed.
B. are migrating approximately 50 km (30 mi) per year.
C. are perfectly aligned with Earth's axis.
D. are misaligned from Earth's axis by 23.5 degrees.
Answer:B
Earth's magnetic poles
A. are fixed. B. are migrating approximately 50 km (30 mi) per year. C. are perfectly aligned with Earth's axis. D. are misaligned from Earth's axis by 23.5 degrees.