lemitselela lemibi ivakala kakhulu eningizimu afrika ngobe live letfu linemvula lencane ngemnyaka lelinga niselwa kuavareji yemamilili tha lange450, nakucatsaniswa neavareji yemhlaba wonkhe lengemamililitha lange860.

eli futhe liviwa kakhulu ngokukodwa ngumzantsi afri ka kuba ilizwe lethu kakade selinomyinge ophantsi kakade wokuna kwemvula ngonyaka oziimililitha ezingama450, xa kuthelekiswa nomyinge wehla bathi oziimililitha ezingama860.
