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