What is the largest of the Great Lakes by surface area?

In which country is the Karakum Desert located? In which country is the Great Victoria Desert located? Which of the following deserts is the largest in the Middle East? In which continent is the Australian Outback located? What is the largest lake in Southeast Asia? Which lake is the largest in the African Great Lakes by volume? What is the largest lake in the European part of Russia? Which lake is the largest in Scandinavia?