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Author Question: Which of the following is true of rich galaxy clusters? A) They primarily consist of irregular ... (Read 94 times)

Tazate

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Which of the following is true of rich galaxy clusters?
 
  A) They primarily consist of irregular galaxies.
  B) More than 80 percent of their galaxies are spiral galaxies.
  C) Less than 20 percent of their galaxies are E and S0 galaxies.
  D) They often contain one or more giant elliptical galaxies at their centers.

Question 2

Which of the following is true of poor galaxy clusters?
 
  A) They contain about 1500 to 2500 galaxies.
  B) They primarily contain elliptical galaxies.
  C) They are densely crowded toward the center.
  D) They are irregularly shaped.



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ricroger

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Answer to Question 1

D

Answer to Question 2

D




Tazate

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Reply 2 on: Jul 27, 2018
Wow, this really help


DylanD1323

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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