The most convincing explanation is that when someone is finding it difficult to understand what is said to them, he/she engages in a form of lip-reading: he/she will observe the lips of the talker and mimic the talker's lip movements.
Lake Tanganyika is an African Great Lake. It is estimated to be the second largest freshwater lake in the world by volume, and the second deepest, in both cases, after only Lake Baikal in Siberia; it is also the world's longest freshwater lake.
The longest river in the world is the Nile. It is 4,160 miles long and is located in northeastern Africa. It passes through eleven countries including Uganda, Ethiopia and the Republic of Congo and is the primary water source for Egypt and Sudan. Continue Reading.