Seudónimo Seudónimo
  • 10-11-2016
  • Geography
contestada

why are albertas oil reserves so costly to obtain?

Respuesta :

oliviarullem oliviarullem
  • 10-11-2016
Hi Vada! They are costly to obtain because they are locked in shale rock. That makes them very difficult to get out. Hope that helps;)
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