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Author Question: How would you figure out if rock unit A or rock unit D formed first, or if they coincided? What ... (Read 96 times)

bucstennis@aim.com

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How would you figure out if rock unit A or rock unit D formed first, or if they coincided?
 
  What will be an ideal response?

Question 2

Total world population is ________ billion.
 
  A) 3 B) 7 C) 4 D) 5 E) 9



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robbielu01

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Answer to Question 1

Answer: Rock unit A could be numerically dated with isotopes from its minerals, and the age of rock unit D could be constructed by assessing the ages of its detrital grains.

Answer to Question 2

B





 

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