Rocks which contain metals in concentrations high enough ...
Rocks which contain metals in concentrations high enough to be economically profitable to extract and refine are referred to as?
terrestrial resources
ores
ferrous deposit
minerals
Correct answer is B
No explanation has been provided for this answer.
Trade among west African countries is less developed mainly because ...
The largest rift valley system in the world is in? ...
Livestock rearing in Nigeria is still predominantly the occupation of? ...
The term watershed refers to the ...
In its old stage, a river would I. be interrupted by waterfalls and rapids II. flow...
The geological structure of Africa is largely composed of? ...
The most important economic activity in Nuriki District is ...
Winds generally blow from an area of ...
Transportation helps economic development through all the following except ...