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Author Question: If a rock sample contains uranium and lead, and lead-204 is present, then a. both radiogenic and ... (Read 115 times)

ericka1

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on: Jul 28, 2018
If a rock sample contains uranium and lead, and lead-204 is present, then
 a. both radiogenic and primordial lead are present.
  b. all the lead is primordial.
  c. neither radiologic nor primordial lead is present.
  d. all the lead is radiogenic.

Question 2

If a rock sample contains uranium and lead, but no lead-204 is present, then
 a. all the lead is radiogenic.
  b. all the lead is primordial.
  c. both radiogenic and primordial lead are present.
  d. neither radiologic nor primordial lead is present.


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Li Jun

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Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

a


ericka1

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  • Posts: 544
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

anyusername12131

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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