Choose the elements that go to make the definition of a virus.
A. A virus is a living thing.
B. It is too small.
C. It can be seen with the naked eye.
D. It can be seen with a microscope.
Answer:A
Choose the elements that go to make the definition of a virus.
A. A virus is a living thing. B. It is too small. C. It can be seen with the naked eye. D. It can be seen with a microscope.