omaravina omaravina
  • 06-09-2016
  • Social Studies
contestada


Most large-scale coal mining in the western United States uses which extraction method?

Respuesta :

rebeccakanter
rebeccakanter rebeccakanter
  • 06-09-2016
I'm not an expert on this but I'm speculating "fracking"
Which uses high water pressure to extract the coal.
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