I think it's D. It shields life forms on the surface from radiation?
Answer:
between 20,000 and 25,000
Four haploid cells each chromosome containing 2 sister chromatids.
you are right, it's B.) 4 haploid cells
Answer:
A.
Explanation:
in DNA, G matches with C and A matches with T. G cannot match with G, A cannot match with A, etc.
Answer:
sufficient root system that can support the plant's growth