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Author Question: Which dating method was used to date the famous Mt Vesuvius eruption of AD 79? a. Carbon 14 b. ... (Read 146 times)

Ebrown

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on: Jul 10, 2018
Which dating method was used to date the famous Mt Vesuvius eruption of AD 79?
 
  a. Carbon 14
  b. Paleomagnetism
  c. Potassium-argon/ 40Ar/ 39AR
  d. Dendrochronology
  e. Biostratigraphy

Question 2

If an isotope has a half-life of 4 billion years, then in 4 billion years
 
  a. all of the original amount will have decayed.
  b.  of the original amount will still remain.
  c.  of the original amount will still be present.
  d. all of the original amount will still be present.
  e. none of these


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emsimon14

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Reply #1 on: Jul 10, 2018
Answer to Question 1

C

Answer to Question 2

C


Ebrown

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Reply #2 on: Jul 10, 2018
Thank you :)


emsimon14

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Reply #3 on: Jul 10, 2018
Happy to help you


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