You are presented with the quiz "Viruses are usually considered to be what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "viruses are usually considered to be nonliving" and "all matter, living and nonliving, is made up of atoms". So, what's the best answer to the question?
Choose from:
- dangerous;
- made up of bacteria;
- made up of medicine;
- harmful substances;
- made up of atoms;
- made up of colors;
- homogenous;
- major threat to health;
made up of atoms