A SEAMARK，I.E.A BUOY，INDICATING THE NORTH，EAST，SOUTH OR WEST FROM A FIXED POINT，E.G.A WRECK is ______.A.Entrance buoyB.New buoyC.Port buoyD.Cardinal buoy
A SEAMARK，I.E.A BUOY，INDICATING THE NORTH，EAST，SOUTH OR WEST FROM A FIXED POINT，E.G.A WRECK is ______.
A.Entrance buoy
B.New buoy
C.Port buoy
D.Cardinal buoy
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