Here are the correct pairs:
Influenza - Vaccination
The vaccination would make your body become unsuitable environmnet for the virus to live off, so you would not be infected. The vaccination would be re-developed every two years since virus can adapt to the old one.
HIV - education
We still have not found the vaccines to prevent HIV from infecting our body. The best method of prevention would be education. We need to teach the children that HIV can be spread through unsafe sex, needle sharing, or blood transfusion.
Kidney failure - organ donation
Every individuals have 2 kidneys and we can still live if we give one of them. Usually immediate families such as parents or siblings had a suitable match for the kidney donation.
Answer:
Here are some ways to help Marcen : ⬇
Tutor him, show him how to do basic stuff in all of his classes
Maybe help him understand the work he is assigned to do (relating to the tutor idea)
If Marcen needs help, ask him after school to help in his work to help him understand, but to not give him answers or he wont learn!
Or just give him an example in some assignments, like if it was a show your work problem, give him an example to follow.
Explanation:
Hopefully this helped you!
To make sure you are prepared for every outcome so if in the future if something goes unplanned you already somewhat expected it