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Author Question: Radiometric dating assumes that, once a mineral has crystallized, any daughter product results only ... (Read 88 times)

segrsyd

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on: Jul 29, 2018
Radiometric dating assumes that, once a mineral has crystallized, any daughter product results only from the decay of the original unstable parent. Some complications are
 
  A) variations in temperature.
  B) failure to take samples too close together.
  C) time clock resetting due to metamorphism, and product leakage that yields false age estimation.
  D) a poorly maintained teleometer.

Question 2

The oldest rocks that have been dated by radioactivity are approximately
 
  A) 2 million years old.
  B) 200 million years old.
  C) 4 billion years old.
  D) 10 billion years old.


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Jayson

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C


segrsyd

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Reply 2 on: Jul 29, 2018
:D TYSM

frankwu0507

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Reply 3 on: Yesterday
Excellent

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