Population growth in sub-saharan africa has resulted in:an older population economic prosperity food shortages inadequate health care lack of housing unemployment

There's three answers that are correct:
- food shortages
- inadequate health care
- unemployment 

The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.