Answer:
The concave slope is represented by the closely spaced contour in the upper locations and gradually become widely spaced in the lower areas. - Convex slope is a geographical feature with inconstant slopes. The upper part is less steep than the lower part.
Explanation:
In the africa the economic health is really bad because most people lost their lives by drinking dirty water
Answer:
Deforestation and agricultural pollution
Explanation:
Rising population densities and the consequent demand for arable land gave rise to serious soil erosion, deforestation due to the need for firewood, and depletion of soil nutrients.