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Author Question: The majority of dark matter is normal protons and neutrons. Indicate whether the statement is ... (Read 80 times)

APUS57

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on: Jul 27, 2018
The majority of dark matter is normal protons and neutrons.
 
  Indicate whether the statement is true or false

Question 2

All RR Lyrae stars have about the same
 
  A) distance of 32 light-years.
  B) period of six days.
  C) locations in the centers of globular star clusters.
  D) luminosity of about 100 Suns.
  E) galactic location and speed.


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Hdosisshsbshs

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

FALSE

Answer to Question 2

D


APUS57

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Reply #2 on: Jul 27, 2018
TY


Hdosisshsbshs

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Reply #3 on: Jul 27, 2018
You're welcome


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