Author Question: The iron content in oceanic rock allows geologists to determine its age. What term describes this ... (Read 43 times)

jace

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The iron content in oceanic rock allows geologists to determine its age. What term describes this approach and other findings?
 
  A. sea floor spreading
  B. paleontology
  C. oxygen-isotope analysis
  D. paleomagnetism
  E. continental drift

Question 2

What is NOT an aspect of the theory of plate tectonics?
 
  A. Seafloor spreading results from rising magma.
  B. Midocean ridges have the newest-formed crust.
  C. Subduction zones are where crust is re-melted.
  D. Deep ocean trenches are tectonically inactive.
  E. Earthquakes match oceanic trenches and ridges.



jjorrostieta

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Answer to Question 1

B

Answer to Question 2

D



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