Pearson eText Essential Cosmic Perspective, The --Instant Access (Pearson+)
Pearson eText Essential Cosmic Perspective, The --Instant Access (Pearson+)
9th Edition
ISBN: 9780135794982
Author: Jeffrey Bennett, Megan Donahue
Publisher: PEARSON+
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Chapter 17, Problem 6EAP
To determine

To explain:

Grand unified theory and how many forces operated during the GUT’s era and how they related to the four forces, which are operating the universe today.

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