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Author Question: In the Northern Hemisphere, we would expect carbon dioxide concentrations in the atmosphere to dip ... (Read 87 times)

ts19998

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on: Jul 13, 2018
In the Northern Hemisphere, we would expect carbon dioxide concentrations in the atmosphere to dip in the winter.
  Indicate whether the statement is true or false

Question 2

The main reason why moist air is lighter than dry air is that the molecular weight of water is less than that of either molecular nitrogen or molecular oxygen.
  Indicate whether the statement is true or false


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mtmmmmmk

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Reply #1 on: Jul 13, 2018
Answer to Question 1

False

Answer to Question 2

True


ts19998

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Reply 2 on: Jul 13, 2018
:D TYSM

frankwu0507

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Reply 3 on: Yesterday
Excellent

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