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Author Question: Absolute dating techniques such as radiocarbon and potassium-argon dating are based on the fact that ... (Read 1163 times)

Pea0909berry

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on: Aug 11, 2018
Absolute dating techniques such as radiocarbon and potassium-argon dating are based on the fact that __________.
 
  A. radioactive isotopes decay at a known rate
  B. certain isotopes become more radioactive over time
  C. the level of radioactivity is a constant
  D. carbon-14 is present in all geological sediments

Question 2

Dendrochronology is a technique that makes use of __________.
 
  A. radioactive decay
  B. changes in fauna over time
  C. the law of supraposition
  D. variation in the growth rings of trees


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frogdreck123456

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Reply #1 on: Aug 11, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D


Pea0909berry

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Reply 2 on: Aug 11, 2018
Gracias!

olderstudent

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Reply 3 on: Yesterday
Excellent

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