Define the snow-albedo positive feedback mechanism.
Question 2Which gas is responsible for the temperature inversion in the stratosphere?
A) carbon dioxide
B) nitrogen
C) ozone
D) argon
Question 3Forecasting large-scale weather events several days in advance is ____.
A) rarely attempted
B) generally done with near-perfect accuracy
C) less accurate than forecasting the precise evolution and movement of small-scale, short-lived weather systems
D) more accurate than forecasting the precise evolution and movement of small-scale, short-lived weather systems
Question 4How many degrees did the globe warm in the 20th century? Why is this amount considered significant?
Question 5Jet streams are found within the ____.
A) thermosphere
B) tropopause
C) stratopause
D) exosphere
Question 6For a forecast to show ____, it should be better than one based solely on the current weather or the normal weather for a given region.
A) skill
B) accuracy
C) chaos
D) persistence
Question 7The average warming experienced over the globe since the early 1900s has not been uniform. Where have the greatest and least amounts of warming occurred?
Question 8All of the weather we are familiar with on Earth occurs in the ____.
A) exosphere
B) stratosphere
C) mesosphere
D) troposphere
Question 9Beyond about ____, computer prog forecast accuracy falls off rapidly due to the chaotic nature of the atmosphere.
A) 2 hours
B) 12 hours
C) 2 days
D) 7 days
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