Viruses cannot do what by themselves?\nOptions:\n- (A) make people sick\n- (B) survive\n- (C) dangerous\n- (D) interact with cells\n- (E) migrate\n- (F) kill them\n- (G) cause a viral infection\n- (H) multiply
Step-by-step reasoning process below:
(H)
Viruses cannot reproduce by themselves.

Passwords multiply and reproduce amongst themselves.

Viruses cannot multiply by themselves.

.

So, the final answer is (H)