In the figure, INSERT FIGURE 4-8b. INCLUDE ALL TEXT. NO CAPTION ...

[2125004343]

In the figure, INSERT FIGURE 4-8b. INCLUDE ALL TEXT. NO CAPTION
 
  A) there are more air molecules below an altitude of 5640 m in the warm column
  B) there are more air molecules below an altitude of 5640 m in the cool column
  C) the pressure at 5640 m is greater in the cool column than in the warm column
  D) the pressure at 5640 m is the same for both columns

Question 2

Humid air is actually less dense than dry air because
 
  A) lighter air molecules like O2 and N2 are replaced by heavier H2O molecules
  B) heavier air molecules like O2 and N2 are replaced by lighter H2O molecules
  C) the greenhouse effect is enhanced when the humidity is high
  D) the greenhouse effect is reduced when the humidity is high

[paavo]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: B