Post Test: _6. Which of the following activities at a mining site will cause the least amount of harm to wildlife? A. dredging B. replacing the soil, with the lowest layers going in first C. removing soil from an area that is to be surfaced mined D. removing vegetation from an area that is to be surfaced mined Directions: Choose the letter of the correct answer. If the answer is not found on the choices, write letter E and identify the correct answer. 1. In which stage of mining does a company propose a mine project that includes a complete reclamation, satisfactory land-use end goal and monitoring plan? A. Operation B. Exploration C. Construction _7. What is the challenge to the mining companies? A. finding consumers B. processing minerals C. protecting the environment D. the increasing costs D.Environmental Assessment and Approval 2. Which of the following refers to a set processes through which useful resources are withdrawn from a stock of any non-renewable resource? A. Deforestation 8. What is the purpose of processing ore? A. to clean it C. to make it shinier D. to remove unwanted B. to shape it C. Geoengineering D. Mining rock 9. When does a rock or mineral considered an ore? A. overall chemical composition B. market value of the resource B. Fracking 3. Which of the following is the most type of ore mineral deposits process? A. Magmatic B. Metamorphic C. percentage of extractable resource with respect to its C. Chemical sedimentary volume D. Hydrothermal fluid circulation D. all of the above 4. What is reclamation? A. Regulation of the effect of mining on water B. Regulation of the effect of mining on air and soil C. Returning land to a useful condition after mining D. Returning land to its original or better condition after mining 5. Which is true about ore minerals? A. Ore minerals are evenly distributed throughout Earth's crust. 10. What happens during ore extraction? A. A small part of the ore is extracted B. The ore is crushed and concentrated C. Determining the ore's size, shape, and grade distribution D. High grade ores are separated from the rest of the deposit B. Ores are naturally-occurring materials that can be profitable mined. C. Ores are minerals that have a high concentration of element, typically a non-metal. D. All of the above.