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Author Question: This isotope of oxygen is the least common: ________. Fill in the blank(s) with the appropriate ... (Read 16 times)

shofmannx20

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on: Jul 14, 2018
This isotope of oxygen is the least common: ________.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

The smallest time periods on the geologic column are the ________.
 
  Fill in the blank(s) with the appropriate word(s).


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zoeyesther

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Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: oxygen-18

Answer to Question 2

Answer: epochs


shofmannx20

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Reply 2 on: Jul 14, 2018
Excellent

tranoy

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Reply 3 on: Yesterday
Wow, this really help

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