Hormones called are involved in regulation of white blood cell populations. erythropoietin (epo) testosterone fibrin estrogen colony-stimulating factor

The answer is colony-stimulating factor(CSF)

Erythropoietin (EPO) is a hormone made by kidney that will induce the growth of red blood cells. Testosterone and estrogen is sexual hormone that has wide effect, but shouldn't affect the white blood cells. Colony-stimulating factor will stimulate the hemopoietic stem cells growth that will end up as white blood cells.

on the planet jupiter, the acceleration due to gravity is approximately 26 m s2 , roughly 2.7 times the acceleration due

the titanic would be the correct answer