you didnt put that map there so that's why nobody has answered. could you please show a picture of the map?
Water is highly valuable in Eastern and South Africa because it is too expensive for the government to afford in a time of drought. Therefore, when they build water pumping stations to provide them with enough water, they need to place the wells in a specific location that is easily accessible for the local people to travel to and get enough for their family that is sufficient enough to last them the whole day.
A and D are the answers. C in certain parts of Africa, but not all so not sure about that
the ones that I know are right are b and c there may be more
Your answer would be volcanologist