Fact 1: Scraping oneself on a contaminated object may cause infection.

Fact 2: An infection is an invasion of the body by bacteria.

Given the two facts above, answer the question "Scraping oneself on a contaminated object may cause an invasion of the body by what?" with the following options: 
- amoebae
 - bacteria
 - blood
 - dogs
 - disease
 - horses
 - toxins
 - fish


 

  bacteria       