A giraffe often has to to be aware of its surroundings since they could get ambushed by a predator thats why they mostly stay in pairs or groups
Experiment one, because she repeated the experiment several times.
I believe the first answer is #4 and the second is #1. Please correct me if I am wrong.
Infected cells create and release small proteins known as interferons, which help the immune system fight viruses. Interferons stop viruses from replicating by interfering with their ability to multiply within infected cells.
