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Author Question: Compared with San Francisco, California, winter air temperatures and air density in Denver, ... (Read 123 times)

mspears3

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on: Jul 29, 2018
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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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


mspears3

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Reply 2 on: Jul 29, 2018
Wow, this really help

momolu

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Reply 3 on: Yesterday
Gracias!

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