MCQ OF 7 STD HISTORY
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A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, cobalt, etc. and attracts or repels other magnets
Am in 9th dude @_@
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I don't understand this....pls try explaining it
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