You are presented with the question "Viruses are usually considered to be what?" and the following answer choices: 
- dangerous
 - made up of bacteria
 - made up of medicine
 - harmful substances
 - made up of atoms
 - made up of colors
 - homogenous
 - major threat to health

Now knowing that viruses are usually considered to be nonliving and all matter, living and nonliving, is made up of atoms, choose the best answer.


 

     made up of atoms    