Across
- 2. both organisms get benefits
- 6. Conditions required for combustion
- 8. Appearance of metals
- 9. Ability to do work
- 10. Reaction that absorbs heat from surrounding
Down
- 1. A place where exchange of respiratory gases take place
- 3. Used to change the voltage of an alternating current
- 4. Breakdown of the lining of the uterine wall
- 5. Extraction of metals through electrolysis
- 7. Addition of blue and green colour