How & When the Appalachian Mountains Formed & The Rocks Found Here! GEO GIRL
16:01
La vida vuelve tras la primera extinción masiva (¡Alerta de nuevo artículo!) | GEO GIRL
19:46
Geologic Tour of the Blue Ridge Escarpment
22:02
Where Did Earth's Water Come From? & How Do We Know? GEO GIRL
24:22
Why does Appalachia have so many mountains with coal under them?
18:31
Rock Identification with Willsey: Intro to Metamorphic Rocks!
20:53
Continents Collide: The Appalachians and the Himalayas
15:04
Onset of The Modern Ice Age & Its Effects on Life | GEO GIRL
19:19