The thawing of the last great ice age.
Spain
By melting all over the place and eventually creating a lake.
lakes such as 4 of 5 of the great lkaes were formed by large chunks of ice melting forming a large cavity, rivers are formed by flows of water forming rivers by erosion, or by shifts in underground plates moving the continents
The Great Lakes
Great Lakes
ICE in the form of glaciers.
The Great Lakes are located in eastern North America. The Great Lakes are the largest group of freshwater lakes and are to the northeast of Texas.
because the lakes are big
Because they are
The Great Lakes are freshwater.
The Iowa Great Lakes
The Great Lakes