Detailed Instructions: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Q: Cities on its shores include Kibwesa, Wapembe, and Mpala, and the Mushara, Murembwe and Dama end in it. A source of great biodiversity, its namesake sardine is an important food source for locals. Despite its depth, the lower regions are mysteriously only a few degrees colder than the surface. In rainy years water from it flows into the Lukuga River and then into the Lualaba. John Speke and Richard Burton were the first two westerners to find it, and Henry Stanley found David Livingstone at Ujiji on its shores. It felt a 6.5 magnitude earthquake in 2005 due to a shift in the fault that is responsible for the Great Rift Valley, and it borders four countries including Burundi and Tanzania. FTP, name this member of the African Great Lakes, the world's second biggest lake by volume.
A:
Social Science