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  1. Which of the following are correctly matched?
    1. Viena : Protection
    convention : of ozone layer
    2. Stockholm : Hazardous wastes
    convention : and their disposal
    3. Rotterdam : Hazardous
    convention : chemicals
    4. Basel : persistent organic
    convention : pollutions
    1. 1 and 2
    2. 1 and 3
    3. 2, 3 and 4
    4. 1, 2 and 4
Correct Option: B

1 and 3



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