high concentrations
soda lakes and extinct volcanoes
There are many lakes in the Rift Valley of Africa but the largest are: Lake Victoria, Lake Tanganyika, Lake Malawi, Lake Turkana, Lake Albert, Lake Rukwa, Lake Mweru, Lake Kivu, and Lake Edward.
Quebec Act 1774 The Quebec Act of 1774 restored the Great Lakes and the Ohio River Valley regions to the province. From Wikipedia
Because they are
Canada shares the Great Lakes with the United States. The Great Lakes are make up of Lakes Huron, Ontario, Michigan, Superior, and Erie.
Great Lakes Valley Conference was created in 1978.
Some lakes in the Great Rift Valley appear pink due to the presence of high concentrations of certain microorganisms, particularly salt-loving algae like Dunaliella salina, which produce carotenoids. These pigments give the water a reddish hue, especially in saline lakes such as Lake Nakuru and Lake Magadi. Additionally, the high salinity and mineral content of these lakes create an environment conducive to these microorganisms, further enhancing the pink coloration.
Glaciation
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soda lakes and extinct volcanoes
They were all created by the movement of glaciers.
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In the Rift Valley some of the Lakes are the deepest in the world, Lake Tanganyika for example at 1470 metres
The Ohio River valley, the Mississippi river valley, and the entire great lakes region
There are many lakes in Pakistan. Northern areas are full of lakes. Hunza valley, Sawat Valley, Kaghan Valley, Naran Valley and other such valleys have various lakes. Saiful Malook is the most famous lake of Pakistan.
Hudson