# ozone-oxygen cycle

> biogeochemical cycle

**Wikidata**: [Q673756](https://www.wikidata.org/wiki/Q673756)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ozone–oxygen_cycle)  
**Source**: https://4ort.xyz/entity/ozone-oxygen-cycle


## References

1. Freebase Data Dumps. 2013