 |
| |||
| ozone layer The general stratum of the upper atmosphere in which there is an appreciable ozone concentration and in which ozone plays an important part in the radiative balance of the atmosphere | |||
| ozone layer | |||
| στιβάδα του όζοντος: 27 phrases in 3 subjects |
| Chemistry | 1 |
| Environment | 24 |
| General | 2 |