Which one of the following statements about essential nutrients is most accurate? a. they’re made by the body. b. they can be supplied adequately only through dietary supplementation. c. they must be obtained through diet. d. they consist of over 75 different types of nutrients.

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.