How old are Lake Baikal and Lake Tanganyika estimated to be?

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AOne million years old

BTen million years old

CTwenty million years old

DFifty million years old

Answer:

Lake Baikal in Russia and Lake Tanganya nitia in Africa are ancient and are estimated to have originated twenty million years ago.
Lakes arise in several ways, like the tectonic lakes, are formed in basins created by geological activities such as warping and faulting of the earth's crust
Most of the Himalayan lakes are tectonic in origin.

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