You are presented with the question "What is inevitable?" and the following answer choices: 
- 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

Now knowing that aging occurs as cells lose their ability to divide and illness, aging and death are inevitable, choose the best answer.


 

       Cells losing ability to divide  