When was the hole in ozone layer detected for the first time?

When was the hole in ozone layer detected for the first time?

When was the hole in ozone layer detected for the first time?

When was the hole in ozone layer detected for the first time?

  • 2010
  • 1985
  • 2001
  • 2000



ANSWER 
      (2)

  • 1985

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