<span>d.Scientists predict it will run out of water in the next 15 years.</span>
Explanation:
sedimentation and metamorphism
At 3.6 million square miles (9.4 million square kilometers), the Sahara, which is Arabic for "The Great Desert," engulfs most of North Africa. The desert covers large sections of Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Western Sahara desert.hope this helps!!!