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Author Question: ________ is a technique where the decay rate of radioactive isotopes is measured and used to ... (Read 23 times)

tingc95

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on: Jul 16, 2018
________ is a technique where the decay rate of radioactive isotopes is measured and used to determine the age of a geologic material.
 
  A) Electron Capture
  B) Radiometric Dating
  C) Ion Exchange
  D) Half-Life

Question 2

What is a fossil assemblage?
 
  A) A fossil that is geographically widespread but limited to a short span of geologic time
  B) A fossil that is very common and existed for a long period of geologic time
  C) A group of fossils used to establish the age of a rock unit
  D) Fossil organisms that have survived multiple geologic eras


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princessflame2016

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

Answer: B

Answer to Question 2

Answer: C


tingc95

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Reply 2 on: Jul 16, 2018
Excellent

diana chang

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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