1.

Which of the following minerals and their ores are correctly matched? 1. Zinc-calamine 2. Platinum-iridium 3. Tin-cassiterite 4. Copper-carnolite

A. 1, 2 and 3
B. 1 and 4
C. 2, 3 and 4
D. 1 and 3
Answer» E.


Discussion

No Comment Found