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0:13:08

Lesson 3 Solar System

0:07:05

Lesson 1 ORIGIN OF THE UNIVERSE

0:13:47

Lesson 08 - EXOGENIC PROCESSES

0:09:06

Lesson 5 - Earth Subsystem

0:08:51

L07 Minerals & Rocks

0:05:01

Endogenic Processes

0:11:57

Intro to Life

0:12:50

Geological Time Scale