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.​
Answers: 3
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Which of the following is true of compasses ?
A. compass magnets can be deflected by Earth's magnet...
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