SCIN 140 Introduction to Environmental Science with Lab (SCIN140)

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 melts ore to separate valuable minerals from impurities. Acid mine drain...

SCIN140 100.0/ 100.0 Points Lab 8 Quiz Question 1 of 10 What is the largest environmental impact of renewable energy? A. It is the damage done in getting the materials to make the machinery to harvest the energy B. It is the damage done to the soil by installing the infrastructure C. It is the damage done to the landscape by the visual impact of the infrastructure D. It is the damage done to the freshwater ecosystems by the use of dams Question 2 of 10 ...