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Author Question: True or False: The shape of Earth's magnetic field resembles that produced by a laboratory bar ... (Read 74 times)

lidoalex

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on: Jul 16, 2018
True or False: The shape of Earth's magnetic field resembles that produced by a laboratory bar magnet.
 
  Indicate whether this statement is true or false.

Question 2

Judge the following sentences according to the criteria given below. A student disputes the process of mantle convection. They argue that rock is solid and cannot flow.
 
  They challenge their classmates to provide evidence for present day mantle convection. A classmate shows them a seismic tomographic map and cross section showing variations in S-wave velocities.
  A) The seismic tomographic map and cross section do show evidence for present day mantle convection and offers a strong affirmation of mantle convection.
  B) The seismic tomographic map and cross section do show evidence present day mantle convection but this data cannot be used as evidence for mantle convection.
  C) The seismic tomographic map and cross section has a random pattern of S-wave velocities and offers no evidence for anything.
  D) The seismic tomographic map and cross section shows evidence for mantle convection in the past but not for present day mantle convection.


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yasmin

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

Answer: TRUE

Answer to Question 2

Answer: A


lidoalex

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Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

bassamabas

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Reply 3 on: Yesterday
Excellent

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