Which material has magnetic domains and can be made into a magnet a) a glass bottle b) an aluminum can c) a plastic fork d)an iron nail

Iron nail

Explanation:

A glass bottle does not contain magnetic material and can't align towards magnetic pole likewise a plastic fork because they are materials that do not have magnetic properties. An aluminium can is made from aluminium which is a weak magnet and can't be made into a magnet. An iron nail is made up of iron which is a strong magnetic material because of the presence of dipole moments and the alignment of its electrons makes its ferro-magnetic and good material for magnetic substance.

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