Across
- 3. is a contraction that refers to the consideration of the biological, geological, and chemical aspects of each cycle.
- 8. water changing from liquid to a gas
- 9. dead plant and animals make this after decomposing.
- 10. water on Earth's surface entering the soil
- 11. process of turning nitrogen back into ammonium
Down
- 1. the movement of water above, on, and below the Earth's surface.
- 2. lightning can cause this in the nitrogen cycle.
- 4. the process of fossil fuels being burned.
- 5. movement of water in the soil
- 6. the changing of a solid to a gas without the substance becoming a liquid.
- 7. the changing of a gas to a solid without the substance becoming a liquid.