Heap-Leach Extraction Involves Piling Crushed Ore into Large Piles and Spraying

question 36

Multiple Choice

Heap-leach extraction involves piling crushed ore into large piles and spraying it with ________.

• A)an alkaline-cyanide solution
• B)concentrated salt water
• C)high-pressure steam
• D)giant sandblasters
• E)None of these are correct.

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