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Author Question: A galaxy's supermassive black hole represents about ____ for elliptical galaxies. a. half a ... (Read 96 times)

penza

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on: Jul 27, 2018
A galaxy's supermassive black hole represents about ____ for elliptical galaxies.
 
  a. half a percent of the mass of the disk
 b. five percent of the mass of the central bulge
  c. half a percent of the mass of the central bulge
  d. five percent of the mass of the disk
 e. half a percent of the dark matter in the corona

Question 2

Physicists and astronomers usually refer to the permitted orbits of an atom as the atom's _______________ levels.
 
  Fill in the blank(s) with correct word


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asware1

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

c

Answer to Question 2

energy


penza

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Reply 2 on: Jul 27, 2018
:D TYSM

ashely1112

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Reply 3 on: Yesterday
Gracias!

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