Which two African countries share Lake Kariba?

Zambia and Zimbabwe

What is the name of the villain who pursues the lost city of Atlantis in Disney's "Atlantis: The Lost Empire"? Pavlova cake originates from which two countries who debate over its true origin? What fruit juice is most commonly used as a natural meat tenderizer? Who originally performed "The Twist" in 1960? Who sang the lead vocals for the band Journey in their classic lineup?