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Author Question: Compared with San Francisco, California, winter air temperatures and air density in Denver, ... (Read 164 times)

mspears3

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Compared with San Francisco, California, winter air temperatures and air density in Denver, Colorado, are
 
  A) the same.
  B) cooler and thinner.
  C) cooler and denser.
  D) warmer and denser.

Question 2

Earth's earliest atmosphere was lacking in
 
  A) carbon dioxide.
  B) hydrogen.
  C) free oxygen.
  D) photosynthesis.



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bookworm410

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Answer to Question 1

Answer: B

Answer to Question 2

Answer: C




mspears3

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


epscape

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Reply 3 on: Yesterday
Wow, this really help

 

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