It's just salty
makes
these are the Great Lakes bordering Canada and the USA
The Great Lakes are significant because they are the largest group of freshwater lakes in the world. They provide drinking water, support diverse ecosystems, and are vital for transportation, recreation, and the economy of the region.
Long ago the great lakes were even bigger. As they receded, they left behind the material deposited on the bottom of the lakes - which was extremely rich in nutrients.The area around the great lakes was flattened considerably by glaciers - which makes it easier to farm.The area around the great lakes tends to get sufficient rainfall to support crops without much irrigation.The area around the great lakes is crisscrossed by plenty of streams and rivers - which can provide additional water to irrigate crops when rainfall is not sufficient.
The Great Lakes
high concentrations
It is the only one that is completely in the USA.
The Great Lakes are part of the border between the USA and Canada.
Great Lakes
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