If a person has type ab blood, both his parents must have
a. type o blood
b. type ab blood
c. type a blood
d. none of the choices are correct.

What advantage is the cell wall in relationship to osmotic pressure

The type(s) of air pollution you will be discussing

When do people generally experience rapid growth for a second time? a. between the ages of 3 and 9 b. between the ages of 9 and 12 c. between the ages of 13 and 20 d. between the ages of 25 and 29 which action occurs in the third stage of cell division? a. the nuclear material of cell is copied exactly. b. the nuclear membrane disappears. c. the cell forms two nuclei d. the nuclear material separates, with half moving to either side of the cell.