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Author Question: True or False: Oxygen most likely accumulated in the atmosphere very gradually after the appearance ... (Read 72 times)

ec501234

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on: Jul 16, 2018
True or False: Oxygen most likely accumulated in the atmosphere very gradually after the appearance of photosynthetic organisms, which consume carbon dioxide while manufacturing oxygen.
 
  Indicate whether this statement is true or false.

Question 2

Evidence that scientists would not utilize to study Earth's formation is
 
  A) Moon rocks.
  B) core samples.
  C) meteorite rocks.
  D) data from other planets.


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sierrahalpin

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: TRUE

Answer to Question 2

Answer: B


ec501234

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Reply #2 on: Jul 16, 2018
TY


sierrahalpin

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Reply #3 on: Jul 16, 2018
Happy to Help


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