Which term describes the small regions where adjacent atoms that have magnetic fields line up with their magnetic field oriented in the same direction in metals, such as cobalt?
a. force fields
b. magnetic centers
c. domains
d. poles

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing