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Author Question: The two keys to determining the absolute age of a rock are A) measuring the abundance of parent ... (Read 27 times)

jwb375

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on: Jul 16, 2018
The two keys to determining the absolute age of a rock are
 
  A) measuring the abundance of parent isotope and measuring the abundance of daughter isotope.
  B) knowing the half-life and measuring the abundance of parent and daughter isotopes.
  C) knowing the composition and the geologic period the rock is from.
  D) identifying all the minerals in the rock and knowing the half-life of each mineral.

Question 2

If daughter isotopes are lost from a mineral after radioactive decay begins the calculated age of the mineral in questions will be
 
  A) correct.
  B) no age can be calculated.
  C) too old.
  D) too young.


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jlaineee

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


jwb375

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Reply #2 on: Jul 16, 2018
Thank you


jlaineee

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Reply #3 on: Jul 16, 2018
No problemo


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