In which of the following order is copper produced?
...In which of the following order is copper produced?
blasting-crushing-floating-smelting
blasting-crushing-floting-grinding-smelting
blasting-crushing-grinding-floting-smelting
crushing-blasting-grinding-smelting-floting
Correct answer is C
No explanation has been provided for this answer.
The variable which is both a control and an element of weather and climate is ...
The settlements in the area mapped are located mainly on the ...
The land-use activities which can be considered responsible for soil erosion in the tropics are ...
Which of the following is a feature of limestone regions? ...
The approximate elevation of the spot height indicated on the eastern peak is ...
Which of the following features is of volcanic origin? ...
Which ONE of the following statements about the railway lines of Africa is false? ...
Which of these statements is true about rural urban life in Nigeria? ...