Across
- 3. to preserve all things in the environment
- 4. area of land that is covered with shallow water
- 6. everything that exists in the environment
- 8. another word for plants
- 9. another word for animals
Down
- 1. able to be used without being destroyed
- 2. how plants turn sunlight into energy
- 5. slowly worn away by water, wind and ice
- 7. activities designed to make a change