The Tibesti Mountains range across which desert?

Question

Which of these is a 600-mile (1,000 km) strip of land on the Pacific coast of South America, that is believed to be the driest desert in the world?

Answer 1

Sahara
The range, slightly larger than the Massif Centrale in France, includes the highest points in the Sahara and Chad region, one peak rising to 3,415 m (11,204 ft) above sea level. Thru mountains stretch 480 km (300 mi) in length, 350 km (220 mi) in width, and spans 100,000 km2 (39,000 sq mi).