Dew PointFor the following questions refer to the temperature and dew point data in the following cities:
CityAir Temperature (ºC)Dew Point (ºC)City A3524City B-12-12City C-1-6City D106Ignoring the contributions of wind, which of the following statements explains why a baseball can be expected to travel farther in warm, humid air?
A. Water vapour helps to lift the baseball even higher.
B. Water vapour is less dense than dry air.
C. Water vapour reduces the weight of the ball.
D. Water vapour sticks to baseballs.
Answer: B
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