If your age 11 and your heart beats at 70 times per minute is it normal or bad

When do most people who become addicted to tobacco start using it

What are the two things that all sociologists do in their studies?

Which action occurs in the third stage of cell division a. the nuclear material of a cell is copied exactly b. the nuclear membrane disappears c. the cell forms two nuclei or d. the nuclear material separates, with half moving to wither side of the cell