You are presented with the question "Viruses often infect something killed by what?" and the following answer choices: 
- Rocks
 - Antibiotics
 - radiation
 - Needle
 - Water
 - Pesticides
 - sun's heat
 - Cooking

Now knowing that viruses often infect bacteria and antibiotics kill the good bacteria along with the bad bacteria, choose the best answer.


 

  Antibiotics       