You are presented with the question "Which of the following may cause infection?" and the following answer choices: 
- influenza
 - Sterilized objects
 - chickenpox
 - eukyarotes
 - Processed bacteria
 - Thorough precautions
 - Germy surfaces
 - viruses

Now knowing that scraping oneself on a contaminated object may cause infection and germs can contaminate surfaces and objects around the water, choose the best answer.


 

       Germy surfaces  