Answer: The hair will grow back by the process of meiosis.
Explanation:
While washing hair Olivia noticed that she is losing hair. This is a natural phenomenon because every person losses some of its hair daily.
The process of meiosis will help the hair to grow and the physician assured Olivia by saying this statement only.
The cell division will take place during the process of meiosis and the hairs will keep on growing and shedding.
This is a natural process that takes place in human beings.