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Magnetite, ferrous-ferric oxide, minerals containing iron ore, strong natural magnet, Stock Photo, Picture And Rights Managed Image. Pic. IBR-1885556 | agefotostock
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Chapter 8 Magnets. More than 2,000 years ago Greeks discovered deposits of a mineral that was a natural magnet. The mineral is now called magnetite ppt download
Natural vs. Artificial Magnets: Definition & Examples - Video & Lesson Transcript | Study.com
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The basics of Magnets and Electricity - ppt download