1. Essay on Gaia
Nitrates can then be fed of to plants with fungi in there roots, and then are released into the atomosphere, or are then eaten by animals. ... The oxygen cycles is a simple cycle which consists of plants and animals breathing. Animals breathe in the oxygen from the atmosphere to live and breathe out carbon dioxide into the atmosphere during the process of respiration. ...
- Word Count: 2564
- Approx Pages: 10
- Has Bibliography
- Grade Level: High School