The Great Lakes (French: les Grands-Lacs), also called the Laurentian Great Lakes and the Great Lakes of North America, are a series of interconnected freshwater lakes located primarily in the upper mid-east region of North America, on the Canada–United States border, which connect to the Atlantic Ocean through the Saint Lawrence River. They consist of Lakes Superior, Michigan, Huron (or Michigan–Huron), Erie, and Ontario.

The Great Lakes are the largest group of freshwater lakes on Earth by total area, and second largest by total volume, containing 21% of the world’s surface fresh water by volume.[2][3][4] The total surface is 94,250 square miles (244,106 km2), and the total volume (measured at the low water datum) is 5,439 cubic miles (22,671 km3),[5] slightly less than the volume of Lake Baikal (23,615 km³, 22–23% of the world’s surface fresh water). Due to their sea-like characteristics (rolling waves, sustained winds, strong currents, great depths, and distant horizons) the five Great Lakes have also long been referred to as inland seas.[6] Lake Superior is the second largest lake in the world by area, and the largest freshwater lake by area. Lake Michigan is the largest lake that is entirely within one country.[7][8][9][10]

The Great Lakes began to form at the end of the last glacial period around 14,000 years ago, as retreating ice sheets exposed the basins they had carved into the land which then filled with meltwater.[11] The lakes have been a major source for transportation, migration, trade, and fishing, serving as a habitat to a large number of aquatic species in a region with much biodiversity.

The surrounding region is called the Great Lakes region, which includes the Great Lakes Megalopolis.

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18 Comments

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  1. glob & tech tamil 2 years ago

    Which software did u used to record

  2. Angel Sharma 2 years ago

    Thank u sir

  3. praveen kumar 2 years ago

    Great

  4. naim malik 2 years ago

    Thank u so mch sir

  5. PUNEET SHARMA 2 years ago

    Sir thoda sa or Hindi mai define ker diya Karo

  6. sumit kumar 2 years ago

    Thanks Sir

  7. Deepti singh 2 years ago

    Thanku sir

  8. Arif Abbas 2 years ago

    Thx

  9. avinash singh 2 years ago

    Thank you sir

  10. mayank verma 2 years ago

    cities at the bank of great lakes plz

  11. mayank verma 2 years ago

    with industries also

  12. The Veteran 2 years ago

    America aur U.S. ya Canada aur U.S.A.

  13. D shubham panchal 2 years ago

    Thankyou sir..
    👍👍👌👌👍👍

  14. Faisal Ansari 2 years ago

    Tqsm sir

  15. prashant Rana 2 years ago

    Thnks sir ji….fr taking out those imp. Points and presenting it to us….🙏🙏

  16. a star 2 years ago

    thnku

  17. sabse badi jheel Caspian sea hai. Baikal deepest hai.

  18. shantnu rajour 2 years ago

    Sir please upload daily and monthly current affairs as soon as possible 🙂

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