biology
Across
- 2. absence of oxygen
- 7. releases energy
- 12. energy to raise temperature
- 13. bring together
Down
- 1. plants use for energy
- 3. inside mitochondria
- 4. colorless odorless gas
- 5. without air
- 6. second stage of cell respiration
- 7. co2
- 8. energy from the sun
- 9. cant be created or destroyed
- 10. pathways
- 11. sugar breaking
- 14. electron carrier