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Generally, magnets are attracted to objects that are made of the metals iron, nickel, or cobalt. These materials are called ferromagnetic materials. ... When all or most of the domains are aligned in the same direction, the whole object becomes magnetized in that direction and becomes a magnet.
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b. melting
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it is made of sediments and that is not necessary
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195 is it current pls tell
True because molecules don't have to be compounds but compounds have to be molecules