 |
| |||
| загрязнение от береговых источников; загрязнение с суши | |||
| land- source pollution: 4 phrases in 3 subjects |
| Ecology | 2 |
| Energy industry | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| загрязнение от береговых источников; загрязнение с суши | |||
| land- source pollution: 4 phrases in 3 subjects |
| Ecology | 2 |
| Energy industry | 1 |
| Natural resourses and wildlife conservation | 1 |