The answer is; B
G0 is the stage of the cell cycle where the cells do not divide.
Cancer cells are renegade cells whose cell cycle regulation has failed, mostly due to damage in their genetic material, hence the cells proliferate unregulated. The checkpoints in the stages of the cell cycle fail. An example is the failure of tumor suppressor genes that suppress the action of cyclins that promote the progression of the cell cycle.
The answer is D I'm 100% sure!
D.
They break down dead organisms.
Salvatore who is a typical adult eating a well balance diet chances would be he will not need then to take vitamin supplements which is the answer. A balance diet is needed to have good health. It means to eat plenty from the 4 main groups and limit smaller from 5th group.