| Pollution |
|
|
|
| Without
Pollution: |
||
| sunlight+water+nutrients |
||
| = lots of food |
||
|
|
|
| With
Pollution: |
||
| sunlight+water+nutrients+pollution |
||
| = less food |
||
| sunlight |
| sunlight |
|
|
|
|
|
| heavy
metals |
||||
| ozone |
||||
| acid
rain |
||||
| salts |
||||
| UV |
||||
| edible greens |
| water |
| nutrients |
| nutrients |
| edible tuber |