| Similarity | Rank | |
|---|---|---|
| the_atmosphere | 0.710 | 3373 |
| carbon_dioxide | 0.708 | 11994 |
| the_greenhouse_effect | 0.708 | 87706 |
| greenhouse_gas | 0.697 | 18514 |
| water_vapor | 0.689 | 40856 |
| water_vapour | 0.686 | 85308 |
| our_planet | 0.680 | 19036 |
| the_biosphere | 0.664 | 42448 |
| CO2 | 0.660 | 9699 |
| methane | 0.647 | 14641 |
| cosmic_ray | 0.647 | 60042 |
| the_earth_surface | 0.645 | 60134 |
| the_solar_wind | 0.643 | 80824 |
| our_solar_system | 0.607 | 82880 |
| global_temperature | 0.605 | 87576 |
| planet_earth | 0.602 | 39130 |
| global_climate | 0.598 | 53875 |
| life_on_Earth | 0.597 | 67776 |
| biosphere | 0.593 | 74869 |
| this_planet | 0.593 | 39336 |
| nitrogen_oxide | 0.592 | 78932 |
| solar_radiation | 0.588 | 50199 |
| the_earth | 0.587 | 1529 |
| these_particle | 0.586 | 95022 |
| combustion_of | 0.586 | 77006 |