It's either the Sierra Nevada or the Great Plains, I'm a bit confused with how you worded your question.
True. The Sahara desert divides Africa into north and south.
Most divergenr boundaries occur along the mid ocean ridges where sea floor spreading occurs. divergent boundaries also occur on land. When a divergent boundary develops on land, two of earth's plates slide apart. A deep valley called a rift valley form along the divergent boundary.
Immaculate. Absolutely amazing (chef kiss)