Question

By mapping population density, the concentration of rivers, and the gradient of streams using GIS, geographers were able to

-determine the highest risk areas for river blindness in Mozambique.

-predict the outcome of the soccer World Cup competition in 2010.

-suggest the best areas for whitewater rafting in South Africa.

-locate sources of water for irrigating deserts.

Answer 1

Geographic information system (GIS) had helped geographies in mapping population density, including streams and rivers which could aid them in determining areas in Mozambique that have higher risks of river blindness. It is a disease that is caused by a parasitic worm which among its symptoms are blindness and skin irritation.