Answer: its b i just got done with it
Explanation:
The natural selection process applies majorly inside back species wether than between species.
Answer -
T-Cell - White blood cell = Fight off Intruders in the body
B-Cell - Macrophages = Creates Antibodies against antigen.
Cell Differentiate - Stem Cells = My favorite cell of all time in animal because they can turn into almost any cell like neural, signaling, euthyroid. Etc
Answer: C. there is more silicon than calcium at the surface of the earth
Explanation:
