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Author Question: Mercury and the Moon do not have atmospheres because A) their surfaces are so cold that any ... (Read 88 times)

Arii_bell

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on: Jul 27, 2018
Mercury and the Moon do not have atmospheres because
 
  A) their surfaces are so cold that any atmospheric gases freeze out onto their surfaces
  B) charged particles from the Sun have stripped away their atmospheres
  C) they are rotating too rapidly, causing their atmospheres to be thrown out into space
  D) their gravities are too weak to prevent atmospheric gases escaping into space

Question 2

How does the thickness of a lens relate to it being converging or diverging?
 
  What will be an ideal response?


courtney_bruh

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

D

Answer to Question 2

A converging lens is thicker at its center than it is at its edges and a diverging lens is thinner at its center than it is at its edges.


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