Scin 140quiz 3 - Study guides, Class notes & Summaries

Part 1 of 1 - 100.0/ 100.0 Points Question 1 of 10 10.0/ 10.0 Points Which of the following mining processes removes the top layers of soil, rock, and vegetation to access minerals?  A. Acid mine drainage  B. Subsurface mining  C. Smelting  D. Surface mining Answer Key: D Feedback: Surface mining removes surface vegetation, rocks, and soil to create an open pit for mining. Subsurface mining uses vertical or sloping shafts to access minerals deep underground. Smelting ...