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Question

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


A

bar magnet

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B

fish

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C

electromagnet

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D

magnetic compass

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Solution

The correct option is A

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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