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Author Question: The age of the solar system can be established by radioactive dating of A) the atmosphere of ... (Read 101 times)

Sufayan.ah

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

B

Answer to Question 2

Edwin Hubble


Sufayan.ah

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


cuttiesgirl16

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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