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    Essentials of Geology
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    Exam 10: Deep Time: How Old Is Old
  5. Question
    How Long Are the Half-Lives of Radioisotopes Commonly Used to Date
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How Long Are the Half-Lives of Radioisotopes Commonly Used to Date

Question 26

Question 26

Multiple Choice

How long are the half-lives of radioisotopes commonly used to date igneous and metamorphic rocks?


A) seconds to minutes
B) a few years
C) hundreds of millions to billions of years
D) hundreds to thousands of years

Correct Answer:

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