The eye consists of dry, descending air.
The correct answer is A. Desalination is the process used in countries with arid climates. Desalination is used as a water purifying step in these regions since in countries with arid climates have scarcity of fresh water sources.
The Portuguese language changed because Vulgar Latin which was spoken on the west coast of the Iberia peninsula replaced all previous local languages
Internal geological agents and processes are drive by the heat that is stored in the Earth's interior. They usually occur far from the surface. The main internal geological agent is the movement of the lithospheric plates. The most evident and catastrophic events caused by this movement are Earthquakes and volcanic eruptions. Others are the movement of the continents, the opening of new seas and the closing of old ones, or the formation of mountain ranges.