Across
- 3. Air filtering plant that filters CO2 and every organic pollutant.
- 5. Slow growing air filtering plant that needs good sunlight.
- 6. Plant that can pull fecal matter and mold spores from the air.
- 7. Plants that absorb nutrients from soil.
- 9. Plant that releases moisture into the air.
- 10. Air filtering plant that is non toxic for animals.
- 12. Plant that helps cleaning up lead.
- 18. Include water ferns and water hyacinth.
- 19. Process in which plants absorb nutrients from soil.
- 20. Plant that has a nighttime oxygen production.
Down
- 1. Type of plant that absorbs heavy metals on its roots.
- 2. Plant that helps with heavy metals and petroleum contaminants.
- 4. Include benzene, formaldehyde, trichloroethylene, ammonia, xylene and toluene.
- 8. Plant that absorbs hydrocarbons from petrochemical pollution.
- 11. Plants used in playgrounds to keep kids safe.
- 13. Type of plant used in Chernobyl to absorb radiation.
- 14. Air filtering plants filter air through...
- 15. Plant that absorbs copper and mercury from the soil.
- 16. Plants that absorb CO2 and release 02.
- 17. An institution that made research of air filtering plants.