Across
- 2. happens when a liquid turns into a gas
- 7. colorless, odorless and tasteless gas
- 8. nature's way of reusing carbon atoms
- 11. the water present beneath Earth's surface in rock and soil pore
- 15. the process of water movement through a plant
- 16. the biological conversion of ammonia or ammonium
- 17. the transition of a substance directly from the solid to the gas state
Down
- 1. the loss or removal of nitrogen or nitrogen compounds
- 3. a mineral that makes up 1% of a person's total body weight
- 4. is a biogeochemical cycle that involves the continuous movement
- 5. a chemical element; it has symbol N and atomic number 7
- 6. a gas of diatomic molecules with the formula H 2
- 9. the change of the state of matter from the gas phase
- 10. precipitation is any product of the condensation
- 12. any body of water above ground, including streams, rivers, lakes, wetlands, reservoirs, and creeks
- 13. symbol C and atomic number 6.
- 14. the biogeochemical cycle