 |
| niveau de pollution: 8 phrases in 5 subjects |
| Environment | 3 |
| General | 1 |
| Health care | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 2 |
|
| niveau de pollution: 8 phrases in 5 subjects |
| Environment | 3 |
| General | 1 |
| Health care | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 2 |