Multiple Choice
Match the following options to its correct definition.
-smelting
A) a method in which rock is crushed and ground into a paste
B) a method for the separation of mixtures involving buoyancy
C) entrance into an underground mine
D) a process that uses heat and fuel to extract metal from an ore
E) a method to extract materials from a rock into a liquid
Correct Answer:

Verified
Correct Answer:
Verified
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