Across
- 2. endothermic process
- 4. a constant temperature and chemical composition and almost overall absence of oxygen
- 6. a biogeochemical process through which nitrogen is converted into many forms
- 10. a passive process that requires no energy expense by the plant
- 11. Liquid or solid water falling from clouds
- 12. monomers are covalently bonded together and a water molecule is produced
- 14. Liquid molecules that gain energy
- 16. Dynamic and really interactive with the climate and environment
Down
- 1. It is a cycle with no beginning or end
- 3. Flammable gaseous substance and colorless
- 5. levels of dissolved nutrients, such as oxygen and carbon dioxid
- 7. Colorless, waxy solid
- 8. converts ammonia to nitrite and then to nitrate
- 9. the process of converting nitrogen compounds, such as nitrate, into gaseous forms like nitrogen oxides and nitrogen gas.
- 13. It's a type of gas that is colorless and tasteless
- 15. You breathe it in