Across
- 2. A fertilizer made from organic materials.
- 5. Something that can be made new again.
- 6. To not use much of something.
- 9. The gases that surround and protect Earth.
Down
- 1. A species that does not exist anymore.
- 3. Energy that comes from the sun.
- 4. To keep and protect something.
- 7. One of the gases surrounding Earth that blocks UV-B light.
- 8. A place that garbage is put.
- 10. The place where an animal species lives.