A. Lead and Zinc
B. Tin and columbite
C. Galena and Tantalite
D. Iron ore and thorium
Correct Answer:
Option B – Tin and columbite
A. Lead and Zinc
B. Tin and columbite
C. Galena and Tantalite
D. Iron ore and thorium
Correct Answer:
Option B – Tin and columbite
Copyright warnings! Do not copy.