Tsunami | Disaster Management | Middle School | Science | Khan Academy
7:24
Classification| Understanding Microorganism | Middle School Science | Khan Academy
3:06
2004 Indian Ocean Earthquake Animation
3:30
Volcanoes | Disaster Management | Middle School | Science | Khan Academy
9:48
This Ocean Disaster Could Shut Down the Entire World
5:25
🌊 The biggest TSUNAMIS in History 🌊 3D Comparison
18:02
Pourquoi l'URSS a asséché le 4e plus grand lac du monde ? (Documentaire)
21:51
À quoi ressemblait le monde il y a 15 000 ans ? Les paysages incroyables de la dernière glaciation
21:22