The antibodies to the HIV virus may take up to three months to appear in the blood of the infected person.
Therefore, the second blood test is necessary three months after a person thinks that he/she has been exposed to HIV to check the presence of these antibodies and confirm whether the person is infected or not.
I think you are right. B is the right answer.
Answer:
The answer to this is Genetic Engineering
Explanation:
I hope this was helpful
Controlled burning? I think that's right.
