Surface pressure is about
A) 1500mb.
B) 2500mb.
C) 1000mb.
D) 200mb.
E) 20mb.
Question 2It is 8 p.m. on January 20 in the Central Time Zone. In Greenwich, England it is
A) 1 a.m. on January 21.
B) 2 p.m. on January 21.
C) 11 p.m. on January 20.
D) 1300 on January 20.
E) 2 a.m. on January 21.
Question 3Which of the following is not observed routinely and plotted on weather maps?
A) wind speed and direction
B) pressure
C) temperature
D) density
E) humidity
Question 4Significant weather events frequently occur
A) in the thermosphere.
B) in the stratosphere.
C) along fronts.
D) when skies are clear.
E) when pressure remains constant.
Question 5The ozone layer is located
A) in the mesosphere.
B) in the stratosphere.
C) in the thermosphere.
D) at the mesopause.
E) at the tropopause.
Question 6In a mercury barometer, atmospheric pressure can be measured in units of
A) time.
B) velocity.
C) length.
D) force.
E) mass.
Question 7We are most likely to sense rapid changes in pressure with
A) our ears.
B) our eyes.
C) our sense of touch.
D) our sense of smell.
E) our sense of taste.
Question 8Winds at the ____ level help steer atmospheric storms.
A) 300mb
B) 800mb
C) 700mb
D) 900mb
E) 500mb
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