How Does the Ozone Layer Change over Time?
ES1708  Graphing Ozone Concentration

  !   Enter your minimum ozone level data in the fields on the left to create a graph showing how minimum ozone concentration changed over time.

 

 
   

10. On a separate sheet of paper, sketch and label your “minimum ozone level versus time” graph.

11. Describe the overall trend of the minimum ozone level from 1979 to 1991.

 
   

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