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Author Question: At present, the formation of the solar system is believed by most astronomers to have begun with a ... (Read 70 times)

Mr3Hunna

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on: Jul 28, 2018
At present, the formation of the solar system is believed by most astronomers to have begun with a large, swirling volume of cold gas and dust called the ______________ nebula.
 a. condensation
  b. primordial
  c. accretion
  d. celestial

Question 2

As a truck moves away from a person with its horn blowing, the person hears a frequency ______________ than that of the horn.
 Fill in the blank(s) with correct word


sarahccccc

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Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

lower


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