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Author Question: Valles Marineris is a A) large valley on the Moon. B) vast plain on Mars. C) huge series of ... (Read 77 times)

hubes95

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on: Jul 27, 2018
Valles Marineris is a
 
  A) large valley on the Moon.
  B) vast plain on Mars.
  C) huge series of cliffs on Mercury.
  D) large canyon on Mars.
  E) large canyon on Venus.

Question 2

The Dynamo Theory holds that
 
  A) lightning plays a major role in generating our magnetic fields.
  B) any other planet of similar density will also have a strong magnetic field.
  C) the Earth's core, like Mercury's, is now a solid, rigid bar magnet.
  D) magnetic fields are generated by rapidly spinning, fluid magnetic interiors.
  E) the Earth's magnetic field must switch polarities every few million years.


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cloud

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


hubes95

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Reply 2 on: Jul 27, 2018
:D TYSM

Joy Chen

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Reply 3 on: Yesterday
Excellent

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