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