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Question

In ancient times, sailors found direction by suspending a ______.



Correct Answer
A

bar magnet 

Your Answer
B

fish

Your Answer
C

electromagnet

Your Answer
D

magnetic compass


Solution

The correct option is B

bar magnet 


In ancient times, sailors found direction by suspending a piece of a bar magnet, instead of a magnetic needle or the compass. Those days, the technology was not advanced enough and the magnetic compass was not invented.

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