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Author Question: How did the lunar maria form? A) Large impacts fractured the Moon's lithosphere, allowing lava to ... (Read 81 times)

c0205847

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on: Jul 27, 2018
How did the lunar maria form?
 
  A) Large impacts fractured the Moon's lithosphere, allowing lava to fill the impact basins.
  B) The early bombardment created heat that melted the lunar surface in the regions of the maria.
  C) Volatiles escaping from the Moon's interior heated and eroded the surface in the regions of the maria.
  D) The giant impact that created the Moon left smooth areas that we call the maria.
  E) The maria are the result of gradual erosion by micrometeorites striking the Moon.

Question 2

As of 2008, most known extrasolar planets have been discovered by
 
  A) the astrometric technique.
  B) the Doppler technique.
  C) the transit technique.
  D) the Hubble Space Telescope.


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popopong

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

A

Answer to Question 2

C


c0205847

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


popopong

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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