Question

multiple choice question
the magnetic domain is the _.
o region inside earth where the magnetic field is generated
o region on earth where most magnetic minerals were first formed
o magnetic field around the poles of a bar magnet
o tiny region where atoms in a material are magnetically aligned
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Explanation:

A magnetic domain is a tiny region in a material where atoms are magnetically aligned. The region inside Earth where the magnetic field is generated is related to the geodynamo (core - related processes). The region on Earth where most magnetic minerals were first formed is about mineral formation locations. The magnetic field around the poles of a bar magnet is the external magnetic field of the magnet, not the definition of a magnetic domain.

Answer:

tiny region where atoms in a material are magnetically aligned