Question

What is the difference between rocks and minerals?
rocks are a pure substance and minerals are all mixtures.
rocks have no physical or chemical properties similar to minerals.
rocks are made of at least two minerals, but minerals aren't made of rocks.
minerals are made of at least two rocks, but rocks aren't made of minerals.

Answer 1

My best choice would be C

Answer 2

thanks

Answer 3

this is an old question but we have decided to move all geology questions to the earth science section, we apologize for the notifications ^_^"