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April 20, 2014

Homework Help: physics

Posted by jason on Tuesday, April 12, 2011 at 12:29pm.

why does the earth have a magnetic declination?
a. the earth's axis of rotation is not constant
b. the magnetic field of the earth is unknown
c. its magnetic poles shift over time and are not aligned to its geographical poles.
d. the north and south poles are improperly named.

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