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Author Question: What event triggered the dramatic increase in atmospheric carbon dioxide concentration seen over the ... (Read 25 times)

washai

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  • Posts: 523
on: Jul 27, 2018
What event triggered the dramatic increase in atmospheric carbon dioxide concentration seen over the last couple of centuries?
 
  A) the invention of CFCs
  B) the invention of the automobile
  C) the Tunguska meteoric impact
  D) the volcanic eruption in Iceland in 1783
  E) the Industrial Revolution

Question 2

Which statement about the first quarter moon is FALSE?
 
  A) It rises about noon.
  B) From the Earth, it appears 25 sunlit.
  C) It is the half moon of the evening sky.
  D) It is highest in the sky at sunset.
  E) It occurs about a week after new moon.


Carissamariew

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

E

Answer to Question 2

B


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