Across
- 4. Krebscycle
- 7. Biosphere
- 9. Photosynthesis
- 11. Atmosphere
- 13. Darkreactions
- 14. Product
- 16. Mitochondria
- 17. Autotroph
- 18. Decomposer
- 20. Chlorophy
Down
- 1. Phosphorus
- 2. Geosphere
- 3. Glycolysis
- 5. Fermentation
- 6. Hydrosphere
- 8. Matter
- 10. Heterotroph
- 12. Reactant
- 15. Nitrogen
- 19. Carbon