Fact 1: Viruses are usually considered to be nonliving. Fact 2: All matter, living and nonliving, is made up of atoms. Given the two facts above, viruses are usually considered to be what?
Available choices:
a). dangerous.
b). made up of bacteria.
c). made up of medicine.
d). harmful substances.
e). made up of atoms.
f). made up of colors.
g). homogenous.
h). major threat to health.
e).