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Author Question: Which of the following is not an abundant radioactive element within Earth? A) thorium B) ... (Read 29 times)

Deast7027

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on: Jul 16, 2018
Which of the following is not an abundant radioactive element within Earth?
 
  A) thorium
  B) uranium
  C) potassium
  D) curium

Question 2

True or False: Oceanic crustal rocks and continental crustal rocks occurring at the same depth have similar compositions but different mineralogies.
 
  Indicate whether this statement is true or false.


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SVictor

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

Answer: D

Answer to Question 2

Answer: FALSE


Deast7027

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Reply 2 on: Jul 16, 2018
Gracias!

Joy Chen

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

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