Northern Africa is a point in Africa directed towards the north pole and conventional upward on the map.
The geographic factor has most affected the environment in Northern Africa is desert.
Desert refers to an area of land or desolate terrain characterised by little water. Desert has the lowest amount of rainfall which makes the area experience dryness and heats.
This geographical factor in the northern Africa does not support agriculture because plants requires water to grow well.
It is also difficult for humans to live there because of the extreme hotness and low food production.