Fact 1: Viruses are usually considered to be nonliving.

Fact 2: Most viruses, like HIV, are ball-shaped.

Given the two facts above, answer the question "what is considered to be nonliving?" with the following options: 
- AIDS
 - plants
 - HPV
 - HIV
 - RNA
 - humans
 - insects
 - p53


 

    HIV     