The group of oxide ores is: (1)
A. Bauxite, Siderite
B. Bauxite, Cuprite
C. Haematite, Siderite
D. Haematite, Copper pyrites
Answer:B
The group of oxide ores is: (1)
A. Bauxite, Siderite B. Bauxite, Cuprite C. Haematite, Siderite D. Haematite, Copper pyrites