Which of the following statements is not true? Question 6 answers?

a. The Nile River is a major transportation route across southern Africa.


b.The central plateau produces many cataracts in African rivers.


c. Africa's rivers can be used for hydroelectric power.


d. Because of terrain, some African rivers are not navigable.Which of the following statements is not true? Question 6 answers?
A. is incorrect. The Nile River is in Egypt wichi is in northern Africa.....so how could it be ACROSS southern africa? it would run down from northern africa instead.Which of the following statements is not true? Question 6 answers?
A is wrong, not sure of B. The Nile is used for Hydro so certainly some can be (C). D is probably true. Some are shallow and intermittent.
A is wrong. The Nile doesn't extend as far as Southern Africa.
I would say a and b