Answer:
C. 18º
Step-by-step explanation:
The climate of regions with high salinity seas is generally arid or desert climates. Thus they offer year-round sunny skies and dry air.
The semiarid climate occurs in Europe, Asia, North America, South America, and Africa. It is a climate of high temperatures and scarce and irregular rainfall, with a rainfall of 10 to 500 mm per year, resulting in low air humidity and temperatures can varies from 16º of 21º.