The only step of the copper production process that is not significantly bulk-reducing is

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Quizplus · Accepted Answer

Mining, concentration, smelting, and ore extraction are all bulk-reducing processes, meaning that the raw materials are transformed into smaller and more manageable volumes. Refining, on the other hand, is a process where impurities are removed from the copper and not physically reducing its volume. Therefore, refining is the only step in the copper production process that is not significantly bulk-reducing.

The Only Step of the Copper Production Process That Is