eutrophication
Across
- 2. carbon dioxide + water = oxygen +...
- 6. chemicals to help farm growth
- 9. slimy, green, water organism
- 11. excess nutrients in water
Down
- 1. an area in which all living organisms and all non-living physical factors form a stable relationship
- 3. a fertiliser
- 4. process that gets chemicals into lakes and rivers
- 5. eutrophication affects the ...
- 7. algae blocks out...
- 8. chemicals used to prevent animals destroying crops
- 10. big, blue, body of water