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Author Question: Why does dew form on the ground during clear, calm summer nights? What will be an ideal ... (Read 54 times)

codyclark

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on: Jul 29, 2018
Why does dew form on the ground during clear, calm summer nights?
 
  What will be an ideal response?

Question 2

What happens when the air is saturated?
 
  A) The condensation rate equals the evaporation rate.
  B) The air is at its water vapor capacity.
  C) Relative humidity is 100.
  D) The air temperature equals the dew point temperature.
  E) all of the above


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Kedrick2014

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: The ground and objects on the ground are net radiators of terrestrial radiation at night (when solar input is absent), so are often cooler than the surrounding air. As air comes into contact with these cold surfaces, it cools. As the air cools below its dew point, water vapor condenses onto the nearest available surface, the ground or a twig or blade of grass.

Answer to Question 2

Answer: E


codyclark

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

debra928

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Reply 3 on: Yesterday
:D TYSM

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