Quiz, Mining and Urbanization

  1. how many people need to live in a city for it to be a mega city: 10 million or more

  2. what continent is the most populated now: asia

  3. in the future the most populated nation will be: africa

  4. name 6 megacities: tokyo, mexico city, nyc, la, paris, moscow

  5. five mining techniques: surface mining, dredging, subsurface, strip mining, mountaintop removal

  6. surface mining: extracts minerals near the surface

  7. strip mining: strips away large sections of soil and rock to expose deposits

  8. subsurface mining: used for deeper deposits

  9. dredging: unwater excavation of a place deposit by floating equipment

  10. mountaintop removal: a form of surface mining where the tops of mountains are blasted off to reach coal seams

  11. Which of the following aspects in the design for this new urban development would most likely have the greatest negative environmental impact?: five apartment buildings

  12. Which of the following aspects of the design for this new urban development will best help to reduce the amount of carbon dioxide released into the atmosphere?: Access to the mass transit train line will provide inhabitants an alternative to driving personal vehicles.

  13. Which of the following would be considered an advantage of increased urban sprawl?: As individuals move out of urban areas to nearby suburbs, the population densities of cities will decrease, reducing the spread of infectious disease.

  14. Which of the following would be the best measure to use to determine the effectiveness of the rain gardens in reducing the impact of urban runoff?: the speed and volume of the water exiting the gardens

  15. Plant selection is important for a rain garden. Which of the following best describes the types of plants that would be most effective to use in the rain garden in this experimental design to reduce the impact of urban runoff?:Flood-tolerant plant species so that the plants can withstand large pulses of water from storms