 |
| |||
| niveau de pollution | |||
| degré de pollution | |||
| pollution level: 14 phrases in 5 subjects |
| Environment | 8 |
| General | 1 |
| Health care | 1 |
| Natural resourses and wildlife conservation | 2 |
| Nuclear physics | 2 |
|
| |||
| niveau de pollution | |||
| degré de pollution | |||
| pollution level: 14 phrases in 5 subjects |
| Environment | 8 |
| General | 1 |
| Health care | 1 |
| Natural resourses and wildlife conservation | 2 |
| Nuclear physics | 2 |