One reason the cultures of north africa developed differently from the cultures of the rest of africa was that these areas of africa were separated by the a) arabian sea. b) sahara desert. c) congo river basin. d) great rift valley.

B. The Sahar desert. The people from the south east of the continent migrated to other parts of Africa but not north Africa because the Sahara was in their way. This led to the ottomans to easily lay claim to North Africa and develop a Islamic and Arabic like culture.

The geographic feature in the westernmost corner of kenya is answer: the great rift vally

Idont know i wonder tthough seems like it will be intristing