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Author Question: The age of the solar system can be established by radioactive dating of A) the atmosphere of ... (Read 55 times)

Sufayan.ah

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The age of the solar system can be established by radioactive dating of
 
  A) the atmosphere of Mars.
  B) the oldest meteorites.
  C) the oldest rocks on Earth.
  D) the oldest rocks on the Moon.
  E) It hasn't been done yet, but the age of the solar system could be obtained from a sample of Io's surface.

Question 2

The optical classification of galaxies was pioneered in the 1930s by ________.
 
  Fill in the blank(s) with correct word



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cuttiesgirl16

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Answer to Question 1

B

Answer to Question 2

Edwin Hubble



Sufayan.ah

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Both answers were spot on, thank you once again




 

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