The magnetic compass magnets are acted on by the horizontal component of the Earth’s total magnetic force. This magnetic force is GREATEST at the（）.
- Anorth magnetic pole
- Bsouth magnetic pole
- Cmagnetic prime vertical meridian
- Dmagnetic equator
问题
The magnetic compass magnets are acted
参考解析：
分类：磁罗经与陀螺罗经的使用题库
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