The mass number of an atom is the same as?
A. the protons it contains.
B. the neutrons it contains.
C. the number of protons and neutrons it contains.
D. the number of protons and electrons it contains.

Need asap plz hurry im being timed when a body cell divides through the process of mitosis, the chromosomes in the daughter cells a. represent only the healthiest chromosomes from the parent cell. b. represent only half of the chromosomes in the parent cell. c. are identical to the chromosomes of the parent cell. d. are formed when chromosomes from the parent cell cross over.