Water quality is a great concern for sub Sub Saharan Africa's rural population. It is basically a region where water is very scarce and finding the right quality of water for drinking and cooking purposes is very hard for the rural people of this region. I hope the answer helps you.
I'm am unsure what context the answer needs to be in or how specific they need to be. Minerals are used in most building supplies, fertilizers, cooking ingredients, and machinery.
False, because wind takes the top soil which is the most fertile part.
