The main environmental difficulties in mining contain groundwater and surface area contamination of major metals and resulting from acid mine drainage, sedimentation of mountain streams, altering groundwater regime, landscape alteration, and ecological disturbance. Land restoration is essential for sustainable mining procedures.fifteen,sixteen A number of studies have proposed innovat... https://retirement-account-divers73827.tusblogos.com/38075900/detailed-notes-on-investment-grade