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Author Question: What are the two major components of clean, dry air? What proportion does each represent? What ... (Read 83 times)

naturalchemist

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on: Jul 14, 2018
What are the two major components of clean, dry air? What proportion does each represent?
 
  What will be an ideal response?

Question 2

Cold water rising from deep in the ocean to replace warmer water at the surface is called ________.
 
  Fill in the blank(s) with correct word


Shshxj

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

Ninety-nine percent of clean, dry air is made up of nitrogen and oxygen. Nitrogen comprises approximately 78 percent and oxygen approximately 21 percent.

Answer to Question 2

upwelling


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