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Author Question: True or False: Radioactive decay permits geologists to determine the age of some minerals. ... (Read 29 times)

AEWBW

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on: Jul 16, 2018
True or False: Radioactive decay permits geologists to determine the age of some minerals.
 
  Indicate whether this statement is true or false.

Question 2

What percentage of the 339 natural isotopes are unstable?
 
  A) 99.9
  B) 10.0
  C) 50.6
  D) 20.6


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swimkari

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

Answer: TRUE

Answer to Question 2

Answer: D


AEWBW

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Reply 2 on: Jul 16, 2018
Gracias!

smrtceo

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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