The minerals are sorted into two groups. Which property are they sorted by?

A.
color

B.
hardness

C.
luster

D.
shape

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