Which of the following is true of compasses ? A.compass magnets can be deflected by Earth's magnetic field or other permanent magnets . B. compasses detect fluctuations in convection in the mantle. C.compasses

Which of the following is true of compasses ?

A.compass magnets can be deflected by Earth's magnetic field or other permanent magnets .
B. compasses detect fluctuations in convection in the mantle.
C.compasses always point toward geographic north.
D.compass magnets can only be deflected by electromagnets such as Earth's magnetic field.

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