Slide 1The Precambrian Earth to the present. 4.5 Billions years in 2 weeks! PowerPoint Notes created by S. Koziol Date : 12/30/2013 Revised : ?/?/?? Slide 2 Objectives Slides…
Slide 1 Chapter 22 – The Precambrian Earth Produced by S. Koziol 11-26-2014 The Precambrian covers almost 90% of the entire history of the Earth. Slide 2 22.1 – The Early…
The Precambrian Earth to the present. 4.5 Billions years in 2 weeks! PowerPoint Notes created by S. Koziol Date : 12/30/2013 Revised : ?/?/?? Objectives Slides 2-21 Describe…
Objectives Describe the evidence used to determine the age of Earth. The Early Earth Understand why scientists theorize that the early Earth was hot. zircon asteroid meteorite…