In Which Year was the First World Environment Day Observed?

  1. 1973
  2. 1980
  3. 1972
  4. 1974
Anurag Mishra Professor Asked on 2nd November 2015 in Environment Science.
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1 Answer(s)

Answer: (3) 1972

Anurag Mishra Professor Answered on 2nd November 2015.
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