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Author Question: Atmospheric concentrations of ____ can vary significantly depending on time and location. A) ... (Read 134 times)

oliviahorn72

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on: Jul 13, 2018
Atmospheric concentrations of ____ can vary significantly depending on time and location.
 A) hydrogen
  B) water vapor
  C) helium
  D) argon

Question 2

A forecast method that compares past weather maps and weather patterns to those of the present is a(n) ____.
 A) persistence forecast
  B) analogue method
  C) trend method
  D) steady-state forecast


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johnharpe

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

B

Answer to Question 2

B


oliviahorn72

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Reply 2 on: Jul 13, 2018
YES! Correct, THANKS for helping me on my review

debra928

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Reply 3 on: Yesterday
Excellent

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