Marina Exam Reviewer : Magnets in the binnacles of magnetic compasses are used to reduce the effect of ______. A.variation B.deviation C.all of the choices D.local attractio Answer:B.deviation

Magnets in the binnacles of magnetic compasses are used to reduce the effect of ______. 

A.variation 
B.deviation 
C.all of the choices 
D.local attraction


Answer: 



B.deviation