 |
| |||
| environmental sciences | |||
| |||
| envirology; environics | |||
| environmental science | |||
| науки об окружающей среде: 9 phrases in 5 subjects |
| Ecology | 3 |
| Makarov | 3 |
| Scientific | 1 |
| Water supply | 1 |
| Weapons of mass destruction | 1 |
|
| |||
| environmental sciences | |||
| |||
| envirology; environics | |||
| environmental science | |||
| науки об окружающей среде: 9 phrases in 5 subjects |
| Ecology | 3 |
| Makarov | 3 |
| Scientific | 1 |
| Water supply | 1 |
| Weapons of mass destruction | 1 |