×
Log in
Upload File
Most Popular
Art & Photos
Automotive
Business
Career
Design
Education
Hi-Tech
+ Browse for More
The top documents tagged [years agoproterozoic]
Documents
Inside the Restless Earth Chapter 3 Section 5. A: The rock layers (strata) in the Grand Canyon represent about 2 billion years of Earth’s history. ◦
213 views
Documents
Climate and Human Evolution; the last 4.6 billion years By Kristin Hepper
226 views
Documents
Earth’s History
73 views