Question

How could the spread of AIDS in Africa affect the economies of that continent?

a rise in national economic growth rates

a reduction in imports and a rise in exports

a rise in the number of health care professionals

a drop in the number and productivity of workers

Answer 1

The spread of AIDS in Africa could affect the economies of that continent in such a way that there is a drop in the number and productivity of workers.
If there is AIDS, many people will get infected and unfortunately they will not be able to work and provide for their families of their country.

Answer 2

a drop in the number and productivity of workers :/