Earth: An Introduction to Physical Geology (12th Edition)

by Tarbuck, Edward J.; Lutgens, Frederick K.; Tasa, Dennis G.

Published by Pearson

ISBN 10: 0134074254

ISBN 13: 978-0-13407-425-2

Chapter 1 - Give It Some Thought - Page 35: 1

Answer

.022%

Work Step by Step

Earth is about 4.6 billion years old. That is 4,600,000,000 years old. 10,000,000/4,600,000,000 = .00217 In English, this means that a 10 million year old mountain range has used .02% of the geological time on earth.

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