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Author Question: Mercury's tenuous atmosphere of sodium, magnesium, and potassium comes from: A) atoms that have ... (Read 66 times)

mia

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on: Jul 27, 2018
Mercury's tenuous atmosphere of sodium, magnesium, and potassium comes from:
 
  A) atoms that have been kicked off the surface by the solar wind.
  B) volcanic outgassing.
  C) residual gases from Mercury's formation.
  D) impacts of asteroids or comets.

Question 2

A moon that goes inside the Roche Limit will:
 
  A) get heated by the strong magnetic fields.
  B) collide with a major satellite.
  C) escape its planet's gravity.
  D) be torn apart by the planet's tidal forces.
  E) become a planet.


cam1229

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

A

Answer to Question 2

A


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