Cell division allows for the growing of new cells. With a unicellular organism, cell division would be the cell's way of reproducing or multiplying, in other words, surviving. Within a multicellular organism, cell division is the organism's way of replacing old, damaged, or dead cells. Within multicellular organisms, cell division also aids in growth.
Im pretty sure its c. I did that a couple of years ago...I think
The renal cortex is the outer portion of the kidney between the renal capsule and the renal medulla.
