Author Question: The isotopic record have peaks and troughs with a wavelength of all of the following except A) ... (Read 75 times)

bobbie

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The isotopic record have peaks and troughs with a wavelength of all of the following except
 
  A) 12,000 years.
  B) 23,000 years.
  C) 41,000 years.
  D) 100,000 years.

Question 2

The wobble in Earth's rotational axis undergoes a periodic variation every
 
  A) 12,000 years.
  B) 23,000 years.
  C) 41,000 years.
  D) 100,000 years.



juliaf

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Answer to Question 1

Answer: A

Answer to Question 2

Answer: B



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juliaf

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