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5.07 Midunit Test
Question | Answer |
---|---|
1. What characteristic do fossil fuels, soil, and sunlight all share? | They are all natural resources |
2. Is a synthetic diamond a natural resource? | No |
3. What makes a resource nonrenewable? | It is used at a rate faster than it can be replenished |
4. What is an example of a nonrenewable resource? | Coal, Petroleum |
5. What are renewable resources? | Things that can be naturally replaced in a short period of time |
6. What is an example of a renewable resource? | Wind |
7. Why are fossil fuels considered nonrenewable resources? | It takes 500 million years for reserves to form them |
8. When fossil fuels are burned, what is released into the atmosphere? | Carbon dioxide |
9. Using fossil fuels contributes to which environmental problems? | Air pollution, water pollution, and global warming |
10. What is a strategic mineral? | One that must be imported to the United States |
11. What is a good reason for extracting mineral resources from the Earth? | To make the resource available for use |
12. What is a reason not to extract a mineral resource from the ground? | It can cause air, soil, or water pollution |
13. Which type of mine may be used to remove coal from a coal seam deep underground? | A subsurface mine |
14. Which process melts an ore to separate useful metals from the rest of the elements in the ore? | Smelting |
15. Setting fires in a forest is sometimes used to __________ | Protect the larger trees from larger fires |
16. What is a method for properly managing soil? | Crop rotation |
17. What are some examples of ways to live sustainably? | Recycle and reuse materials |