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Author Question: Which Earth section creates the most heat from radioactivity? A) the oceanic crust B) the ... (Read 30 times)

urbanoutfitters

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on: Jul 16, 2018
Which Earth section creates the most heat from radioactivity?
 
  A) the oceanic crust
  B) the continental crust
  C) the core
  D) the mantle

Question 2

The curiously low seismic velocities observed in some places above the core-mantle boundary might be explained by
 
  A) a small degree of melting in that area.
  B) an anomalous rock type in that area.
  C) a magnetic belt of rock in that area.
  D) increased density in that area.


k2629

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

Answer: B

Answer to Question 2

Answer: A


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