Image result for What type of convergent plate boundary does Lake Tanganyika have?
Lake Tanganyika–like all of the other African Rift lakes except for Lake Victoria–lies in a graben (a down-dropped block of land bounded by extensional, or normal, faults) along the axis of the great rift. I think this is correct im not to sure but i hope it helps
The diagram shows 4 possible options for the centripetal force acting on the object represented as a black dot. The correct option is the direction marked as C since it points inwards and ties the object to its circular motion.