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GOOD2Know17 GOOD2Know17
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6 years ago
Between the first warnings about CFCs from the scientific community and a response to reduce CFCs from the political community there was a ____-year lag.
 
  a. one
  b. five
  c. ten
  d. fourteen
  e. twenty-five
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ztboyceztboyce
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6 years ago
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Thank you, thank you, thank you!
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