Ch 19 1/2 Question Preview (ID: 1837)
Clouds.
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The force exerted by the weight of the air above is called
a) air pressure
b) convergence
c) Coriolis effect
d) divergence
In which direction is air pressure exerted?
a) upward
b) downward
c) sideways
d) upward, downward, sideways
Who invented the mercury barometer
a) Galileo
b) Toricelli
c) Newton
d) Watt
What is the ultimate energy source for most wind
a) Earth's rotation
b) Earth's revolution
c) solar radiation
d) tides
Which force generates winds
a) Coriolis effect
b) gravity
c) pressure differences
d) friction
Variations in air pressure from place to place are the principal cause of
a) snow
b) rain
c) wind
d) clouds
Fast moving currents of air that occur above the friction layer are called
a) wind trains
b) mesocyclones
c) chinooks
d) jet streams
The Coriolis effect influences
a) wind speed
b) wind direction
c) both wind speed and wind direction
d) neither wind speed or wind direction
In the Northern Hemisphere. wind associated with a low pressure system blow
a) counterclockwise toward the center
b) clockwise toward the center
c) clockwise outward from the center
d) counterclockwise from the center
Centers of low pressure are called
a) anticyclones
b) airmasees
c) jet streams
d) cyclones
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