What landform acts as a natural barrier between north africa and the rest of africa?

Quizlet has the answer

Answer (a) the itcz comes overhead for part of the year; i believe this is correct,plz check first; ///

Africans learned what the europeans wanted them to learn. instead of learning about african history and current information that could and would them they learned solely what europe wanted them to. and not everyone received the same education, some received better and others none.

Icant awnser the qustion bc u have the planets not listed