Across
- 6. Living things such as fish plants and animals
- 7. The process of using things again
- 8. Waste that harms ocean and land
- 9. Large body of salt water covering most of Earth.
- 10. Natural home of an organism
Down
- 1. Keeping nature safe and healthy
- 2. Tiny plants in the ocean that produce oxygen
- 3. Using resources wisely to protect the future
- 4. The Earth's air, water,and land together
- 5. Animals and plants living in nature