Across
- 4. resources existing in nature
- 8. process where gas changes to liquid
- 9. Able to be used for agriculture
- 10. group of populations
Down
- 1. movement of water through soil
- 2. Both species benefit
- 3. Drainage basin for water
- 5. nonliving
- 6. roll organism play in environment
- 7. plants with seeds
