Answer:
Explanation:
A is not correct as Botswana is one of the most stable democracies in the world, usually ranked on the 1st or 2nd place in Africa.
B is also wrong as this country is also among most stable governments on the continent. Among first ten, actually.
C is also wrong, because Kenya is somewhere in the middle.
D is correct as Central African Republic is at the bottom of the ladder, together with Somalia and Sudan.
<span>The correct answer is C. Topsoil is present in every soil surface, and not only in the farmland. It is very rich in organic materials, and nutrients. It provides nutrition to the plants and is the outermost layer of the soil.</span>
A. Is covered with savanna.
The Great Plains have the least population of the regions listed above.
