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Author Question: In the Big Bang, about 75 of the normal matter by mass was hydrogen atoms, and the other 25 almost ... (Read 73 times)

armygirl

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on: Jul 27, 2018
In the Big Bang, about 75 of the normal matter by mass was hydrogen atoms, and the other 25 almost entirely helium.
 
  Indicate whether the statement is true or false

Question 2

The distinguishing feature of a starburst galaxy is ________.
 
  A) strong radio emission from lobes of material well outside the visible boundaries of the galaxy
  B) a very large luminosity compared to the total luminosity of the Milky Way
  C) a rate of star formation that may be 100 or more times greater than that in the Milky Way
  D) the presence of an unusually large number of binary star systems containing X-ray bursters


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Tabitha_2016

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

TRUE

Answer to Question 2

C


armygirl

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Reply 2 on: Jul 27, 2018
Gracias!

bulacsom

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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