Because the molecules that move freely begin to compact closer together, with less heat, means less molecular activity.
The correct answer is A. the magnet to become stronger
The stronger the electric current in the piece of metal, the stronger the magnetic field will be.
Try this option, the answers are marked with colour.
Organisms, organs, tissues, cell ....
a more specific answer would be:
organism, organ system, organ, tissue, cell, atom
