Which statement is true about common childhood infectious disease? a. infectious illnesses are usually mild and require no medication. b. frequency of infectious illnesses usually increases as children grow older. c. children should always be given antibiotics to treat an infectious illness. d. having a minor infectious illness weakens a child's immune system.

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.