lilynguyen3814 lilynguyen3814

04-04-2015
Physics

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What would be most useful to help make a simple compass a nonmetal bar,a round metal can,a small iron nail,or a Quartz needle

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Invader12 Invader12

04-04-2015

iron nail. the rest of those are not iron or some form of magnetic material.

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Аноним Аноним

05-04-2015

Iron nail is metalic and the others are not metalic

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