What does not require energy from the cell?
A. active transport
B. facilitated diffusion
C. both mand b are correct

diffusion, osmosis and facilitated diffusion.

Explanation:

that is wrong, its not thymus.

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.