Fact 1: Aging occurs as cells lose their ability to divide.

Fact 2: Illness, aging and death are inevitable.

Given the two facts above, answer the question "What is inevitable?" with the following options: 
- movements in the earth's crust
 - tectonic plates being pushed together
 - religion
 - a hemisphere is tilted away from the sun
 - movement of tectonic plates
 - growth
 - Cells losing ability to divide
 - taxes


 

       Cells losing ability to divide  