Across
- 4. Resources that can be replenished naturally
- 7. Capable of being decomposed by bacteria or other living organisms
- 9. Average weather conditions in an area over time
- 11. Contamination of air, water, or land
- 12. Surroundings where people and wildlife live
Down
- 1. Species at risk of extinction
- 2. Decomposed organic matter used as fertilizer
- 3. Natural home of an organism
- 5. Our planet, the third from the sun
- 6. To process materials for reuse
- 8. Shield in the atmosphere that protects us from the sun
- 10. Something thrown away as waste