Across
- 3. the chemical process through which plants synthesize their own food
- 6. CO2 undergoes this to form dry ice
- 9. a mixture of CaO and NaOH, can remove CO2
- 12. carbon ?, air pollutant
- 14. surround the alveoli, part of blood vessel network
- 17. pores for gas exchange on leaf surfaces, can be opened or closed
- 20. substance that can produce CO2
- 22. amount of H2O (g) in exhaled air
- 24. ? effect, keeps the Earth warm
- 25. chemically inert set of gases, 0.9% of atmospheric air
- 27. CO2 retention
- 30. 0.04% of atmospheric air
- 32. 78% of atmospheric air, BP -196°C
- 33. decreases the efficiency of gas exchange
- 35. biological catalysts that regulate cellular respiration
Down
- 1. produce chlorophyll to absorb light
- 2. ? smoking, also called SHS
- 4. dry ice undergoes this to outgas
- 5. detects levels of CO2
- 7. powerhouse of the cell, site of respiration
- 8. concentrated Ca(OH)2, used to test for CO2
- 10. air quality health index
- 11. disaccharide, immediate product of photosynthesis
- 13. ? greenhouse effect can cause global warming
- 15. the polymer of glucose which it is stored in due to higher storage efficiency
- 16. 21% of atmospheric air
- 18. air ? human activities have caused
- 19. the site of gas exchange in humans, located in the lungs
- 21. there is a natural ? of CO2 and O2 in Nature
- 23. ? set-up is identical to the experimental set-up except for the absence of the I.V.
- 26. what photosynthesis provides to all living things
- 28. the colour dry cobalt (II) chloride paper turns in the presence of H2O
- 29. lead and carbon ? are air pollutants
- 31. its solution is used to test for the presence of starch in a leaf
- 34. breathing is this type of process