1. Which South African city is a regional hub of commerce and has South Africas

1. Which South African city is a regional hub of commerce and has South Africas premier international airport?A. DurbanB. PretoriaC. Cape TownD. Johannesburg2. Slum areas called shantytowns occur in _________ major African cities housing over _________ percent of urban populations.A. some; 40B. five major; 50C. nearly all; 60D. all; 703. The lowlands west of Australias eastern mountain range are drained by the Murray-Darling River system with its main headwaters in the Great _______ Basin.A. BarrierB. ArtesianEnd of examC. DividingD. Darling4. The Great _______ Range running just inland along Australias eastern coast is that continents only significant mountain chain.A. EasternB. DividingC. BarrierD. Australian