Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman

Exercise 7

What is surface mining Define overburden, spoils and open-pit mining. Define strip mining and distinguish among area strip mining, contour strip mining, and mountaintop removal mining. Describe three harmful environmental effects of surface mining. What is subsurface mining What is the relationship between gold mining and mercury poisoning What caused the devastating release of caustic red mud from a sludge pond containing aluminum processing wastes at a Hungarian plant in 2000 What is smelting and what are its major harmful environmental effects