Answer:
I am pretty positive its the last one, "How computer viruses can be prevented"
Explanation:
Computer Viruses are the problem, and how they can be prevented is the solution
Answer:
bhh
Explanation:
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the awnser probably suports:
A) The physiologies of humans and some animals are very similar, so the reactions of these creatures to certain medications are the most reliable guide to the possible reactions of human patients.
Answer:
I think A sounds the most descriptive.