Which African lake is the deepest?

Which lake is located on the border of Argentina and Chile? Which lake is the world's largest freshwater lake by volume? What is the world's largest lake by surface area? Which of the Great Lakes is the smallest by volume? What is the largest freshwater lake in South America? Which of the Great Lakes is the shallowest? Which lake is the world's largest saltwater lake? What is the largest of the Great Lakes by volume?