according to the Venn diagram, which of the following is the main difference between rocks and minerals?

A. minerals and rocks both have crystalline structures
B. Minerals are made of one type of material and rocks are made of more than one type
C. Minerals could be organic while rocks are always inorganic
D. Minerals are not naturally occurring and rocks are naturally occurring.

B. Minerals are made of one type of material and rocks are made of more than one type