EBK BIOLOGY: CONCEPTS AND APPLICATIONS
9th Edition
ISBN: 8220100477805
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 16, Problem 6SQ
If the half-life of a radioisotope is 20,000 years, then a sample in which three-quarters of that radioisotope has decayed is _______ years old.
| a. 15,000 | b. 26,667 | c. 30,000 | d. 40,000 |
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Chapter 16 Solutions
EBK BIOLOGY: CONCEPTS AND APPLICATIONS
Ch. 16 - The number of species on an island usually depends...Ch. 16 - The bones of a birds wing are similar to the bones...Ch. 16 - Prob. 3SQCh. 16 - A trait is adaptive if it _______. a. arises by...Ch. 16 - Prob. 5SQCh. 16 - If the half-life of a radioisotope is 20,000...Ch. 16 - Did Pangea or Gondwana form first?Ch. 16 - Prob. 8SQCh. 16 - Prob. 9SQCh. 16 - Prob. 10SQ
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