Essentials of Geology & Modified Mastering Geology with Pearson eText -- Access Card Package
Essentials of Geology & Modified Mastering Geology with Pearson eText -- Access Card Package
1st Edition
ISBN: 9780133941241
Author: Frederick K. Lutgens, Edward J. Tarbuck, Dennis G. Tasa
Publisher: PEARSON
Question
Book Icon
Chapter 18, Problem 8GST

a)

To determine

The percentage of geologic time as represented by recorded history by assuming 5000 years for the length of recorded history.

b)

To determine

The percentage of geologic time as represented by the ancestors given hominins has been around for about 5 million years.

c)

To determine

The percentage of geologic time as represented by the abundant fossil evidence given that the first abundant fossil evidence for multicellular organisms does not appear until the beginning of the Cambrian period (540 million years ago).

Blurred answer
Knowledge Booster
Background pattern image
Recommended textbooks for you
Text book image
Applications and Investigations in Earth Science ...
Earth Science
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:PEARSON
Text book image
Exercises for Weather & Climate (9th Edition)
Earth Science
ISBN:9780134041360
Author:Greg Carbone
Publisher:PEARSON
Text book image
Environmental Science
Earth Science
ISBN:9781260153125
Author:William P Cunningham Prof., Mary Ann Cunningham Professor
Publisher:McGraw-Hill Education
Text book image
Earth Science (15th Edition)
Earth Science
ISBN:9780134543536
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:PEARSON
Text book image
Environmental Science (MindTap Course List)
Earth Science
ISBN:9781337569613
Author:G. Tyler Miller, Scott Spoolman
Publisher:Cengage Learning
Text book image
Physical Geology
Earth Science
ISBN:9781259916823
Author:Plummer, Charles C., CARLSON, Diane H., Hammersley, Lisa
Publisher:Mcgraw-hill Education,