Answers to Quiz 21

                          Weather

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• Here are the answers, found from the Credo reference online reference books

1. Does thunder precede or follow a flash of lightning?
   Thunder follows a flash of lightning.
    
2. What was the name of the hurricane which devastated the city of New Orleans in 2005?
   Hurricane Katrina
    
3. Smog is a mixture of which two substances?
   Smoke and fog
    
4. Is a 'northeaster' a wind blowing to the northeast or from the northeast?
   From the northeast
    
5. Who danced in puddles in the 1952 film musical 'Singin' in the Rain'?
   Gene Kelly
    
6. What phrase is used to describe a technique for producing rain by dropping chemicals or small objects into clouds?
   Cloud seeding
    
7. In which country does the wind called the 'mistral' mainly blow?
   France
    
8. What does a barometer measure?
   Atmospheric pressure
    
9. 'SAD' is an abbreviation for mental depression apparently linked to the seasonally changing amount of light during autumn and winter. What does 'SAD' stand for?
   Seasonal affective disorder
    
10. The Fujita scale or F-scale is the standard scale for measuring the severity of which weather phenomenon?
    Tornadoes

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