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