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Chapter 14 study guide Completion Complete each statement. 1. ______________________________ materials used as inputs to production systems are obtained through farming, fishing, and forestry. 2. Fossil fuels are mixtures of ______________________________ and hydrogen. 3. Natural gas is about 85 percent ______________________________. 4. Bituminous coal is also known as ______________________________ coal. 5. ______________________________ is a process used by foresters to determine whether a stand of trees is ready to be harvested. 6. A seismographic study uses ______________________________ waves to explore for petroleum and natural gas deposits. 7. In ______________________________ or ______________________________ mining, the overburden is removed from above the coal, the coal is dug up with giant shovels and loaded onto trucks or railcars, and the site is reclaimed by replacing the topsoil and replanting the area. Multiple Choice Identify the choice that best completes the statement or answers the question. ____ ____ ____ ____ ____ 1. Which of the following is not a form of underground coal mining? A. Shaft mining. B. Slip mining. C. Drift mining. D. Slope mining. 2. Which of the following types of resources can become inputs to production systems? A. Minerals. B. Genetic materials. C. Fossil fuel materials. D. All of the above. 3. The most commonly found form of coal is ____ coal. A. bituminous B. lignite C. anthracite D. stannous 4. Workers in the logging industry who actually cut down the trees are called ____. A. swampers B. fellers C. buckers D. cutters 5. Which of following is not a fossil fuel? A. Coal. B. Ethyl alcohol. C. Natural gas. D. Petroleum. Matching Match each term with its description. A. Timber cruising B. Seed-tree cutting C. Selective cutting D. Clear-cutting E. Yarding ____ ____ ____ ____ ____ 1. 2. 3. 4. Workers gather logs in a central location. All trees, regardless of species or size, are removed from a plot of land that is generally less than 1000 acres. Mature trees of a desired species are selected and cut from a plot of land. Teams of foresters measure the diameters and heights of trees to find stands of trees that can be economically harvested. 5. All trees, regardless of species, are removed from a large area, except three or four per acre. Short Answer 1. What is the environmental disadvantage of burning coal as fuel? 2. Briefly describe the evaporation method of extracting minerals from seawater.