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cheesyboots cheesyboots
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2 months ago

In ancient times permanent magnets were known to the Greeks. These magnets were chunks of iron ore now called magnetite. What is the older name for this material?



magnesia



lodestone



oersted



compass



None of these choices are correct.

Textbook 
College Physics

College Physics


Edition: 5th
Author:
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dangoondangoon
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cheesyboots Author
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2 months ago
Brilliant
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Thanks for your help!!
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Thanks
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