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Author Question: Compared with San Francisco, California, winter air temperatures and air density in Denver, ... (Read 125 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
:D TYSM

Bigfoot1984

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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