| Similarity | Rank | |
|---|---|---|
| human_activity | 0.626 | 16002 |
| human_action | 0.600 | 59963 |
| natural_process | 0.596 | 47228 |
| human_interaction | 0.559 | 41366 |
| human_impact | 0.545 | 82966 |
| natural_ecosystem | 0.530 | 62077 |
| anthropogenic | 0.529 | 94954 |
| human_error | 0.529 | 48972 |
| climatic_change | 0.519 | 79774 |
| natural_system | 0.507 | 34720 |
| user_interaction | 0.504 | 70310 |
| vegetation | 0.500 | 6900 |
| erosion | 0.496 | 12792 |
| biota | 0.495 | 81008 |
| an_ecosystem | 0.495 | 43119 |
| habitat_destruction | 0.494 | 88499 |
| natural_phenomenon | 0.493 | 59487 |
| evolutionary_process | 0.490 | 64220 |
| human_hand | 0.489 | 96038 |
| manmade | 0.489 | 86906 |
| ecological_system | 0.489 | 67262 |
| soil_erosion | 0.487 | 44582 |
| million_of_year | 0.485 | 47068 |
| the_human_species | 0.485 | 84952 |
| land_use_change | 0.484 | 61668 |