Slum areas called shantytowns occur in major african cities, housing over
percent of urban populations.
a. all; 70
b. nearly all; 60
c. some; 40
d. five major; 50

The question says, 'slum areas, usually called Ashanty towns exist in major African cities, housing percent of urban population. The correct option is B. Slum areas occur in almost all the major African countries, the biggest one in the world is found in Cape town, South Africa. The majority of the slum dwellers are between age 15 and 24. Africans are making efforts to reduce slum areas.

Aregion is an area of land that has common features. these features can be natural, such as climate or landscape. they can also be artificial, such as language or religion. the xinjiang uyghur autonomous region, above, is an area of china inhabited by uyghurs, a muslim group with ethnic ties to turkish people.