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Author Question: The iron content in oceanic rock allows geologists to determine its age. What term describes this ... (Read 18 times)

jace

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on: Jul 13, 2018
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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Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

D


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