You are presented with the question "What be caused by some viruses?" and the following answer choices: 
- deadly and devastating
 - a lot of human deaths
 - Plant growth is reduced
 - Something coming from a gland
 - death and devastation
 - contamination
 - Abnormal cell growth
 - extinction

Now knowing that some viruses can cause cancer and cancer is an abnormal growth of cells, choose the best answer.


 

       Abnormal cell growth  