Earth's Resources Final Exam: December 19/21 2001Name Section I. Answer all questions on the exam paper for a total of 1.5 points each. Give examples where appropriate.a. What is a hydrograph? b. Define isotope and give an example. c. What criteria must be met for a good nuclear storage facility? d. Define desertification. Where is it taking place in the world? e. Define ore mineral and give an example. f. What is physical weathering. Give an example. g. Define beneficiation and give an example. h. What is an artesian well? How does it form? i. Name four greenhouse gases? j. What fueled the Industrial Revolution?Section II. (value 10 points) Fill in the blanks with the best selection from the words below.a. and are major sources mercury pollution.b. The largest producer of nitrous oxides is .c. Three Mile Island is an example of a ________________________.d. of fuel rods in U.S. nuclear reactors are changed each year.e. Two uses of asbestos are: _________________ and ___________________..f. Approximately __________percent of Aluminum produced in the U.S. is used in cars.g. is a good source rock for oil.h. The first hydroelectric dam in the U.S. was built in _____________.i. contains the least carbon/BTU for fossil fuels.j. Worm castings are useful for .List of wordsPower plants Minnesota Taconite plantsIdaho Coal Iron ore mineAutomobiles Clothing AgricultureRoofing Cement shaleNuclear accident placer deposit basaltFeeding turtles natural gas fertilizerHydroelectric Dam 1/2 301/4 15 501/3 sandstone oilWisconsin potatoes batteriesSection III. Answer this question in the blue book. It is compulsory. (15 points)Most of us live in Northern Minnesota or Northern Wisconsin where we have to heat our houses. We use natural gas, oil, or electricity (which is produced either from coal, hydropower, or nuclear energy). What would be your best choice? Why? Support your answer.Section IV. Energy. Answer a., b. or c. (15 points)a. Discuss the life of oil: from its formation, to its concentration, to its recovery andrefining to its burning.b. What are the conditions necessary for the accumulation and development of coal? When did these occur in the past? Where is it taking place now? What are the various ranks of coal and what do they mean?c. Describe nuclear fission. How is this used to produce electricity? Describe a nuclear power plant. What are the risks involved with this.Section V. Metals. Answer a. or b. (15 points)a. I would describe the 20th century as the century for Al. Why might I do this? Why is Al so important to us? How do we mine it? How do we process it? Why is so important for us to recycle it? From what countries do we mine the ores of Al? What are the ores? How are they formed? Where do we process the ore? Why?b. For each of the following metals: chromium, gold, copper, and molybdenum, please give the following information:1. What kind of deposit is it found in?2. What country has the largest reserves?3. What country is the largest producer?4. What is the major use of the metal?5. Does the U. S. produce any of this metal or do they import all of it?Section VI. Water and soils. Answer either a. or b. (15 points)a. What are the major factors controlling soil formation? Describe them and discuss their relative importance. Illustrate the importance of these factors with reference to the worldwide distribution of soils.b. Water is not uniformly distributed around the world. Describe some of the problems that come along with this. What problems do we experience now and will do so in the future. Cite examples.Section VII. Environment. Answer either a. or b. (value 15 points)a. What is nuclear waste? Include low, intermediate, and high level waste. Describe how it is formed and the problems with its disposal. What are someproposed methods of disposal?b. Describe the environmental impact of the automobile--from mining its components to discarding its