The answer is the nervous system.
The element found in period 4, group 2 is zirconium, Zr
The answer is A. nuclear energy
the other answer choices are all renewable sources of energy.
hope this helps
<span>The role of hematopoietic growth factors is to influence
hemocytoblasts to give rise to specific formed elements and reduce the
severity of anemia. In addition, it also decrease transfusion requirements in
patients with cancer and it cause
differentiation of stem cells toward a particular cell type, inducing the
proliferation of cells and by favoring maturation of the cells.</span>
<span> </span>
