Dig it up

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Across
  1. 5. The rigid outer part of the Earth consisting of the crust and upper mantle
  2. 7. A us navy Soilder
  3. 9. Non-renewable energy sources the are old
  4. 12. The science or practice of farming
  5. 13. relating to water
  6. 16. Process of liquid to gas
  7. 17. on or relating to the Earth
  8. 18. Can't replenish itself
  9. 19. trying to use less of a certain type of things.
  10. 20. The things around us
  11. 21. A stock or supply of money,materials,staff and other assets.
Down
  1. 1. Using old used metal to create new metal forms
  2. 2. The remains of a living thing
  3. 3. the gases surronding the Earth or another planet.
  4. 4. Rock containing metal
  5. 6. Finding new things.
  6. 8. All the water on a planet
  7. 10. Process of liquid to solid
  8. 11. The regions of the surface and atmosphere occupying life
  9. 14. Can replenish itself.
  10. 15. digging up resources