Zusammenfassung der Ressource
Cicles of matter
- Nitrogen cycle
- Nitrogen moves from the air into the soil into living things and to the soil again.
- The air around us is 70 percent of nitrogen gas
- Carbon Cycle
- Producers and consumers realease carbón dioxide and wáter into the eviroment.
- Oxygen cycle
- Producers realease oxygen as a result of photoshyntesis