1. Summary The Grand Canyon is an immense canyon in Arizona, USA. The canyon is 446 kilometres long, 29 kilometres wide and 1 mile deep. This video explains how a number of forces creat...
1. Summary The Grand Canyon is an immense canyon in Arizona, USA. The canyon is 446 kilometres long, 29 kilometres wide and 1 mile deep. This video explains how a number of forces creat...
GEOL 109 | The Earth and Life Through Time • blame cogdog • SPLOTbox theme is based on Garfunkel by Anders Norén.