SimilarityRank
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