I believe it’s the igneous rocks
Answer:
A. 37
Explanation:
As CEC of soil can be maintained by the type of caution exchange from soil like Na, K, thus decrease of H+ ions increase the variable charges and thus increasing the capacity, Histosols, Mollisols, and vertisols have a high CEC order. And clay consists of roughly composed chlorite, kaolinite, and most of soil humus.
You cant settle in deserts due to lack of water and scarcity of food, which led to the Saharan regions being less populated. Hope this helps.
Answer:
Gitega is the capital of Burundi
