Author Question: How does water get from the surface to the middle of the mantle? A) Percolation via pores and ... (Read 75 times)

Caiter2013

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How does water get from the surface to the middle of the mantle?
 
  A) Percolation via pores and fractures
  B) Subterranean streams
  C) Seawater seeping into the interior at mid-ocean rifts
  D) Subducting oceanic lithosphere

Question 2

Which layer or layers of the interior are believed to have convection cells?
 
  A) Mantle
  B) Mantle and outer core
  C) Inner core
  D) Outer core and inner core



steff9894

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Answer to Question 1

Answer: D

Answer to Question 2

Answer: B



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