Which statement about the Flinders bar of the magnetic compass is CORRECT ________.A.It co
Which statement about the Flinders bar of the magnetic compass is CORRECT ________.
A.It compensates for the error caused by the vertical component of the Earth's magnetic field
B.It compensates for error caused by the heeling of a vessel
C.It compensates for quadrantal deviation
D.It is only needed in equatorial waters