Across
- 5. What we should do for the environment
- 7. Another word for existence
- 8. A gas plants need to grow
- 9. Large area filled with trees
- 10. What falls from the clouds
Down
- 1. What dirty air does
- 2. The natural home of an animal
- 3. Power from the sun
- 4. Trash left on the ground
- 6. Turning old materials into new things