Across
- 2. hot rock under the crust
- 4. making food by using the suns energy
- 6. affect the ability for a plant and animal inhabit a region
- 7. overgrowth of producers
- 10. oxygen used to release the chemical energy
- 11. made up of rock and below the earths surface
- 13. of gases around the planet
- 15. release of water by plants
- 16. water that the soil soaks up
Down
- 1. hard rock on and just below the earths surface
- 3. plates of the lithosphere
- 5. input or output in the same system
- 8. the conversion of nitrogen gas into ammonia
- 9. when water returns to the atmosphere
- 12. encompasses all water
- 14. the planets living things