Earth's Resources Mid-term1 hour 40 minutesOct. 8, 1992 Name ______________________Answer the following questions with short answers for the value of 2 pointseach. Please use examples wherever possible.1. What is the difference between a reserve and a resource? 2. What are alloys? How have they changed through time? 3. What metal is used for high power transmission lines , and why? 4. How did the Industrial Revolution change the nature of mineral resourceusage? 5. Define a non-renewable resource. 6. What are the current projections of the world's ultimate stable humanpopulation? 7. Why is recycling of aluminum so important? 8. Rutile and ilmenite are the primary mineral sources of what metal? What isthe major use of the oxide of this metal?9. 9. What are the major "base" metals and why are they called base?10. Silicon and aluminum are more abundant than iron. Why was irondiscovered as a metal so much earlier?11. Of what potential is the sea floor for mineral resources? 12. What is a cartel? Give an example.13. Define stratiform chromite deposit.14. What was the only period of major population decline? What were thereasons for this? 15. Define "Greenhouse Effect". What are the determining factors. 15. What is a Cu porphyry deposit?16. 17. Who was Karl Joseph Bayer? Why is he important for the 20thcentury? 18. What resources are used in a blast furnace?19. Define smelting and give an example.20. Define acid mine drainage.Answer the following questions in the blue book. Please make sure that I canread your answers. Each question has a value of 15 points for a total of 60points. Only answer four in total.Answer either 21 or 2221. Describe how laterites form. Why are they important. For which metalsare they mined? For which metals may they be mined in the future.22. What fueled the Industrial Revolution? Why did it take place where it did?Answer either 23 or 2423. Briefly describe the pattern of human population increase over the past6000 years. What is the difference in population distribution between thedeveloped versus the developing countries. What does this mean for ourfuture?24. Discuss the geochemical cycle for carbon.Answer either 25 or 2625. Discuss the environmental disruption caused by a: open-pit mining and b:underground mining. What actions can be taken to limit damage to theenvironment to limit these activities?26. Discuss the environmental impact of the automobile, from metals towaste.Answer either 27 or 2827. Why is the U.S. iron ore industry unable to compete in the world marketas it has done in the past?28. Discuss the world distribution of the abundant