1. Consider the information in the chart below. Location A B C Mixing ratio (g/k
ID: 121031 • Letter: 1
Question
1. Consider the information in the chart below.
Location
A
B
C
Mixing ratio (g/kg)
2 g/kg
8 g/kg
9 g/kg
Saturation mixing ratio (g/kg)
4 g/kg
8 g/kg
10 g/kg
Relative Humidity (%)
(6/6)
g. What would you have to do to rs at location A to make the air saturated? How could this be done?
h. If the temperature cooled at location B, what would happen to its rs?
i. How would this affect r at B? What would happen to the extra water vapor?
*100=100
(6/12)*100=50
(7/10)*100=70
4. Which of the following indicates a decrease in the actual amount of water vapor in the atmosphere?
A. A decrease in mixing ratio
B. A decrease in saturation mixing ratio
C. A decrease in relative humidity
D. A decrease in temperature
Location
A
B
C
Mixing ratio (g/kg)
2 g/kg
8 g/kg
9 g/kg
Saturation mixing ratio (g/kg)
4 g/kg
8 g/kg
10 g/kg
Relative Humidity (%)
(6/6)
g. What would you have to do to rs at location A to make the air saturated? How could this be done?
h. If the temperature cooled at location B, what would happen to its rs?
i. How would this affect r at B? What would happen to the extra water vapor?
*100=100
(6/12)*100=50
(7/10)*100=70
Explanation / Answer
Ans. ( C) A decrease in relative humidity
Explanation - Relative humidity is expressed as a percentage. This percentage tells you how close the air is to being saturated. If the relative humidity is 100%, the air is saturated. If the relative humidity is 50%, the air contains half the water vapor required for it to be saturated. If the amount of water vapor in the air increases, the relative humidity increases, and if the amount of water vapor in the air decreases, the relative humidity decreases.
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