When water freezes, how does the ice compare to the liquid water?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand