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Author Question: In which of the following eons do we live? a. Phanerozoic b. Hadean c. Proterozoic d. ... (Read 32 times)

AEWBW

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on: Jul 28, 2018
In which of the following eons do we live?
 a. Phanerozoic
  b. Hadean
  c. Proterozoic
  d. Archean

Question 2

Geologists have principally used which class of rocks for radiometric dating?
 a. Sedimentary
  b. Igneous
  c. Foliated
  d. Metamorphic


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Jmfn03

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

a

Answer to Question 2

b


AEWBW

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

JCABRERA33

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Reply 3 on: Yesterday
Wow, this really help

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