单选题As the amount of moisture in the air increases, the difference between the dry bulb and wet bulb temperature will （）.AincreaseBdecreaseCremain unchangedDbe greatest at dew point
单选题
As the amount of moisture in the air increases, the difference between the dry bulb and wet bulb temperature will （）.
A
increase
B
decrease
C
remain unchanged
D
be greatest at dew point
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