Correct answer
B. Metalliferous ores
Explanation
The correct answer is Metalliferous ores.
A fertile material is the one, which can be________?
Exposure to ________ accelerates the degradation of plastics?
The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be________?
Choose the set of pressure intensities that are equivalent?
In chemical process equipments, the conical bottom heads used, usually has an apex angle of________?
With increase in temperature, the electrical conductivity of semiconductors________?