You are presented with the question "Cells have multiple repair mechanisms to fix the effects of what?" and the following answer choices: 
- A drug.
 - acid rain
 - death
 - herbicide
 - radiation
 - cancer
 - chemicals
 - disease

Now knowing that cells have multiple repair mechanisms to fix mutations in DNA and dNA damage is a cause of mutations that can cause cancers, choose the best answer.


 

      cancer   