EP EARTH SCIENCE MOD.MASTER.GEOLOGY
EP EARTH SCIENCE MOD.MASTER.GEOLOGY
15th Edition
ISBN: 9780134673899
Author: Tarbuck
Publisher: PEARSON CO
Question
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Chapter 11, Problem 4GST

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 5000 million years.

c)

To determine

The percentage of geologic time as represented by 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).

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