Unit 3 Review

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Across
  1. 3. Method of mining using a large hole and leaves big scars in the earth.
  2. 5. Farming a large area and requires relatively small amounts of labor.
  3. 9. What is anchoring.
  4. 10. Anything that can be used to produce goods and services.
  5. 13. Fourth stage of the energy system.
  6. 14. Resources that can be regenerated if used carefully.
  7. 17. Third stage of energy system.
  8. 18. Farming in small areas of land that requires a lot of labor.
  9. 21. The item is used by someone else when you no longer use it.
  10. 22. What is the most important factor when determining a soil's fertility.
Down
  1. 1. Method of when recovering soil and rocks in strips.
  2. 2. What is loss Aversion.
  3. 4. Second stage of the energy system.
  4. 6. The number of days of which crops can ripen.
  5. 7. Resources that are replaced by natural actions and must be used when and where they occur or are lost.
  6. 8. Resources that are limited and cannot be replaced once they are used up.
  7. 11. Movement of water into the atmosphere from soil and plants.
  8. 12. Method of mining deep mineral deposits, requires special equipment, travel down long shafts and can be very dangerous.
  9. 15. When the item is neither purchased nor produced.
  10. 16. The first stage of the energy system.
  11. 19. The item is taken to a landfill or burned in an incinerator.
  12. 20. The item is destroyed when you no longer want it but the material is recovered.