Fact 1: Some parasites live on the surface of their host.

Fact 2: Hosts A host is a computer.

Given the two facts above, answer the question "some what live on the surface of their computer?" with the following options: 
- humans
 - bacteria
 - warm-blooded
 - hosts
 - parasites
 - harm them
 - computers
 - internal components


 

     parasites    