| Similarity | Rank | |
|---|---|---|
| oil_spill | 0.668 | 21876 |
| surfactant | 0.660 | 42191 |
| these_chemical | 0.598 | 50717 |
| contaminant | 0.584 | 17936 |
| in_the_Gulf_of | 0.578 | 19759 |
| the_marine_environment | 0.577 | 29880 |
| and_other_chemical | 0.577 | 95068 |
| chemical | 0.572 | 2031 |
| chemical_use | 0.572 | 49215 |
| hydrocarbon | 0.570 | 21173 |
| crude_oil | 0.569 | 20562 |
| the_Gulf_of_Mexico | 0.568 | 29187 |
| solvent | 0.566 | 14169 |
| toxic_chemical | 0.565 | 31858 |
| emulsion | 0.562 | 48773 |
| acidification | 0.554 | 76521 |
| marine_ecosystem | 0.553 | 35001 |
| Gulf_of_Mexico | 0.551 | 89241 |
| oil | 0.548 | 1091 |
| ocean_water | 0.548 | 86316 |
| sediment | 0.543 | 9378 |
| ocean_acidification | 0.543 | 42914 |
| toxic_substance | 0.542 | 64101 |
| coastal_ecosystem | 0.539 | 84182 |
| benzene | 0.536 | 50027 |