Problem: Two neighboring islands inhabited by thousands of birds each were hit by extreme weather. While Port island experienced wet weather over the past 3 summers, Bank island experienced severe drought, therefore the food supply on the island diminished. Which island had fewer birds with bigger beaks survive?

A: Port

Problem: Jeremy went to the doctor for his yearly physical along with his wife Brenda. The doctor told Jeremy that his blood pressure was consistently high. Brenda, on the other hand, was told that her blood pressure was in the normal range. Aside from this difference, the overall health of Jeremy and Brenda was similar. Who has a higher risk of suffering from other cardiovascular diseases?

A: Jeremy

Problem: Alexiev and Sabrina were enthusiastic chemistry students completing the first experiment of their new course. They both started the experiment with pure water, and had to perform different experimental protocols to make changes to the water. At the end of the experiment, both of them measured the concentration of hydronium ions present in their reaction mixtures. Alexiev had a high concentration of hydronium ions present, while Sabrina had a low concentration present in her mixture. Which person's mixture, Alexiev's or Sabrina's, would be less harmful if swallowed?

A: Sabrina's

Problem: Mike is a physician who treats HIV-infected patients. Today, he is seeing two patients, patient A and patient B. Patient A is infected with HIV, but patient B is not infected with HIV. Mike is trying to figure out how HIV-infected patient is different from the patient who is not infected with HIV. Would patient B's immune system be stronger or weaker than patient A's immune system?

A:
stronger