 |
| réutilisation des déchets: 8 phrases in 3 subjects |
| Earth sciences | 1 |
| Environment | 3 |
| Natural resourses and wildlife conservation | 4 |
|
| réutilisation des déchets: 8 phrases in 3 subjects |
| Earth sciences | 1 |
| Environment | 3 |
| Natural resourses and wildlife conservation | 4 |