Variation is the angular measurement between（）.<br>A:compass north and magnetic north<br>B:compass north and true north<br>C:magnetic meridian and the geographic meridian<br>D:your vessel's heading and the magnetic meridian

Variation is the angular measurement between（）.
A:compass north and magnetic north
B:compass north and true north
C:magnetic meridian and the geographic meridian
D:your vessel's heading and the magnetic meridian

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