| |||
| surface curve | |||
|
courbe de surface : 2 phrases in 2 subjects |
| Earth sciences | 1 |
| Natural resourses and wildlife conservation | 1 |
| |||
| surface curve | |||
|
courbe de surface : 2 phrases in 2 subjects |
| Earth sciences | 1 |
| Natural resourses and wildlife conservation | 1 |