Across
- 2. Key- a tool used to identify a specific object
- 4. the series of process by which nitrogen- and it's compounds are interconverted in the environment and in living organisms
- 7. a person who consumes a product or service.
- 10. the ability to be maintained at a certain rate or level
- 11. When a liquid turns into a gas
- 12. harmful materials in the environment
- 14. any liquid or frozen water that forms in the atmosphere and falls back to the earth.
- 15. profile- a vertical cross-section of the soils made of layers running parallel to the surface.
Down
- 1. A group of people with a common characteristic or interest living together within a larger society
- 3. a maker or manufacturer
- 5. cycle- a chain of processes that produce and transform the rock types in Earths crust.
- 6. resource- a natural resource that can't be readily replaced by natural means at a place quick enough to keep up with consumption.
- 8. method- the process of objectively establishing facts through testing.
- 9. a term used to describe how trade and technology have made the world into a more connected and independent planet
- 13. the ability to do work