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Author Question: What is the definition of an inclusion? A) A fossil of an organism that existed for a short ... (Read 138 times)

Yi-Chen

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on: Jul 16, 2018
What is the definition of an inclusion?
 
  A) A fossil of an organism that existed for a short period of geologic time
  B) A fragment of one rock unit enclosed in another rock unit
  C) An unstable isotope decaying into a stable form
  D) A fault bisecting a layer of rock

Question 2

What scientific development made accurate numerical dating possible?
 
  A) Discovery of radioactivity
  B) Correlation of rock layers
  C) Development of radar
  D) Discovery of X-rays


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daiying98

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

Answer: B

Answer to Question 2

Answer: A


Yi-Chen

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Reply 2 on: Jul 16, 2018
Gracias!

jackie

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

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