Answer
c. Rubidium-87, Thorium-232, Uranium-238
Work Step by Step
Rubidium-87, Thorium-232, Uranium-238 have half lives longer than 3.5 billion years.
Biology 2010 Student Edition
by Miller, Kenneth R.; Levine, Joseph S.
Published by
Prentice Hall
ISBN 10:
9780133669510
ISBN 13:
978-0-13366-951-0
Chapter 19, History of Life - Assessment - Analyzing Data - Page 568: 38
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