Q. In context with freshwater ecosystems, consider the following statements:
  1. Lake Baikal is the deepest and oldest freshwater lake in the world.
  2. Lake Titicaca is located at the highest altitude of any navigable lake in the world.
  3. Lake Victoria is the largest lake in Africa by surface area.
How many of the above statements are correct?

Answer: All three
Notes: Thus, all of the statements are correct.