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Author Question: Which two gases make up a combined total of 99 of clean, dry air in the homosphere? A) carbon ... (Read 90 times)

robinn137

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on: Jul 14, 2018
Which two gases make up a combined total of 99 of clean, dry air in the homosphere?
 
  A) carbon dioxide and water vapor B) nitrogen and oxygen
  C) oxygen and carbon dioxide D) nitrogen and argon

Question 2

Who was first to explain the mechanism by which most earthquakes are generated?
 
  What will be an ideal response?


okolip

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Reply #1 on: Jul 14, 2018
Answer to Question 1

B

Answer to Question 2

H. F. Reid of Johns Hopkins University.


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robinn137

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Reply #2 on: Jul 14, 2018
Thank you :)


okolip

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Reply #3 on: Jul 14, 2018
Happy to help you


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