Aneonate born at 38 weeks' gestation is admitted to the neonatal nursery for observation. the neonate's mother, who is positive for human immunodeficiency virus (hiv) infection, has received no prenatal care. the mother asks the nurse if her neonate is positive for hiv. the nurse can tell the mother which information

Seeing that they live in direct sunlight all the time, I think we can eliminate A. B makes sense because there is limited water in the desert. C is questionable because how are they distributing nutrients and which ones are they distributing? It can't be D because we already said water is limited so it wouldn't help if they released water.

Based on all this, the answer is B - by storing water.