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Author Question: The luminous matter in the universe accounts for what percent of the total mass of the universe? ... (Read 161 times)

asmith134

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on: Jul 27, 2018
The luminous matter in the universe accounts for what percent of the total mass of the universe?
 
  A) About 5
  B) About 23
  C) About 27
  D) About 73
  E) 100

Question 2

The erosion features seen from orbit on the surface of Mars appears to have been formed from
 
  A) running water
  B) molten lava
  C) wind
  D) marsquakes


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ASDFGJLO

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

A

Answer to Question 2

A


asmith134

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Reply #2 on: Jul 27, 2018
Thank you!


ASDFGJLO

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Reply #3 on: Jul 27, 2018
Always glad to help...


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