A mineral that is essential in cement production is?
...A mineral that is essential in cement production is?
talc
coal
gypsum
quartzite
Correct answer is A
No explanation has been provided for this answer.
Which of the following is not a favorable factor for tourism development in West Africa? ...
The principal agents in soil erosion are ...
The most population means of transportation in the mapped area is------- ...
The most important air masses which affect the climate of Nigeria are the ...
The human activity that can improve composition of the atmosphere is ...
Migration can contribute to solving the problems of rural areas by? ...
All the following highlands in Nigeria are composed of basement complex rocks except the ...