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Author Question: Why is humid air less dense than dry air? a. Molecular movement of water vapor occupies less space ... (Read 79 times)

panfilo

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on: Aug 22, 2018

Why is humid air less dense than dry air?
  a. Molecular movement of water vapor occupies less space than dry air.
  b. Molecular movement of water vapor occupies more space than dry air.
  c. Water vapor molecules are more compressed than dry air molecules.
  d. Molecules of water vapor have less mass than the displaced nitrogen and oxygen.
  e. Molecules of water vapor have more mass than the displaced nitrogen and oxygen.



Question 2

What is the approximate residence time of water vapor in the lower atmosphere?
 

a. 1 hour
  b. 1 day
  c. 10 days
  d. 100 days
  e. 1000 days



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Sammyo

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Reply #1 on: Aug 22, 2018
Answer to Question 1

d

Answer to Question 2

c


panfilo

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Reply 2 on: Aug 22, 2018
:D TYSM

softEldritch

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Reply 3 on: Yesterday
Wow, this really help

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