 |
| |||
| niveau sonore moyen | |||
| niveau moyen d'exposition au bruit | |||
|
average noise level : 5 phrases in 3 subjects |
| Earth sciences | 1 |
| Environment | 2 |
| Natural resourses and wildlife conservation | 2 |
|
| |||
| niveau sonore moyen | |||
| niveau moyen d'exposition au bruit | |||
|
average noise level : 5 phrases in 3 subjects |
| Earth sciences | 1 |
| Environment | 2 |
| Natural resourses and wildlife conservation | 2 |