Complex sentence: The Judean Desert is crossed by numerous wādis from northeast to southeast, and has many nahals, most of them deep, from 1,200 feet in the west to 600 feet in the east.
Split into simpler sentences: The Judean Desert is crossed by numerous wadis from northeast to southeast, and has many deep canyons. Elevation ranges from 1,200 feet in the west to 600 feet in the east.