Question

How are rocks DIFFERENT from minerals?
A) Rocks are a pure substance and minerals are all mixtures.
B) Rocks have no physical or chemical properties similar to minerals.
C) Rocks are made up of at least two minerals, but minerals are not made up of rocks.
D) Minerals are made up of at least two rocks, but rocks are not made up of minerals.

Answer 1

i believe the answer would be C) Rocks are made up of at least two minerals. minerals are pure substances while rocks are usually a mixture of these substances :P