Description
| Page Count: | 16 |
| RRL: | Level 26 |
| Genre: | Non Fiction, Descriptive |
| Author: | Pam Holden |
| ISBN - Standard Edition: | 9781927197370 |
| Keywords: | people, country, area, flower, season, shoes, useful, value |
Trees have always been a vital part of life on Earth. When animals and humans breathe, they take in oxygen and breathe out carbon dioxide (CO2). Trees do the opposite: absorb CO2 and release oxygen. This process helps keep the right balance of elements in the atmosphere, keeping living things healthy. Trees have many other valuable features that are useful to humans and animals