Which river joins the Volta lake system from the northeast, originating in the highlands of Benin and Togo?

Answer and explanation

Correct answer: C. The Oti River (Pendjari)

  1. Step 1: The Oti River rises in the Atakora Mountains of Benin and flows southwest through Togo into Lake Volta. Step 2. It is a major eastern tributary contributing substantial inflow to the reservoir. Answer: The Oti River (Pendjari). Why not the others: Afram rises on the Kwahu plateau; Tano drains southwest into Aby Lagoon; Densu flows south through Koforidua to Accra.

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