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Author Question: Which process is responsible for Earth's magnetic field? In which layer does this process occur? ... (Read 61 times)

ap345

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on: Jul 16, 2018
Which process is responsible for Earth's magnetic field? In which layer does this process occur?
 
  A) Radiation; upper mantle
  B) Subduction; lower mantle
  C) Convection; outer core
  D) Crystallization; inner core

Question 2

Since humans cannot access the core, what objects do scientists use as a proxy to determine the composition of the inner and outer core?
 
  A) Volcanic rocks
  B) Meteorites
  C) Comets
  D) Glaciers


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heyhey123

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

Answer: C

Answer to Question 2

Answer: B


ap345

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Reply 2 on: Jul 16, 2018
Gracias!

ryansturges

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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