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Which of the following is a better mining alternative to Open-cast mining?
A. Treating ores with sulfuric acid and then using electrolysis to extract them.
B. Using plants as a carbon sink to capture and store carbon.
C. Using explosives to blast the ore out of the surrounding rock.
D. Accumulate the metal ores in water through eutrophication.

Sagot :

lheduardomarques

From the following options the best mining alternative to open pit mining Treat the ores with sulfuric acid and then use electrolysis to extract them.

  • A. Treat the ores with sulfuric acid and then use electrolysis to extract them.

What is open pit mining?

As the name suggests, open pit mining takes place from surface operations, where there is no need to expand underground. For open pit operation, deposits do not necessarily need to be exposed on the surface.

What are the stages of open pit mining?

The processes that involve mining are:

  • research
  • exploration
  • extraction
  • transport
  • processing
  • beneficiation
  • and commercialization of the ore.

All these steps are phases of the mining process, according to the National Mining Agency

With this information, we can conclude that Open-pit mining, also known as open-cast or open-cut mining and in larger contexts mega-mining, is a surface mining technique of extracting rock or minerals.

Learn more about open pit mining in brainly.com/question/10401629

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