The answer is b because gazelles face many predators and they have the ability to blend with the dry grass to not get caught and eaten by predators such as other wild animals like lions.
Answer:
I've got no idea what you're asking but my guess would probably be. . . C?
The answer is Desalination. Desalination is the process of removing minerals from salt water. Most ocean-water consumption and supply are most likely to be very particular in this places like USA, Europe, Africa and UN. Desalination depends on the capacity and facility of the place.