The mineral contents of the upper part of the earth's...
The mineral contents of the upper part of the earth's crust are collectively called the sial because it is composed mainly of
silica and olivine
alumina and olivine
silica and alumina
alumina and phosphate
Correct answer is C
No explanation has been provided for this answer.
The Stevenson's screen is raised about one metre above the ground in order to avoid? ...
Which of the following is responsible for the formation of block mountains? ...
The Qattara Depression in Egypt is the product of ...
Which of the following statements is true of transhumance? ...
Latitude 66 and half marks the____________ ...
Perishable goods;items of high unit value(gold,diamond) are best transported by ...
The leading producers of diamond in Africa are? ...
The type of vegetation found on the Mambila Plateau is? ...
The difference between high tide and low tide is referred to as__________ ...