A. 12 most harmful greenhouse gases
B. 12 ozone depleting substances
C. 12 persistent organic pollutants
D. None of the above
Submitted by: Mansoor Ali Panhwar
Correct Answer: 12 persistent organic pollutants ✔
Last Updated: December 31, 2019
A. 12 most harmful greenhouse gases
B. 12 ozone depleting substances
C. 12 persistent organic pollutants
D. None of the above
Submitted by: Mansoor Ali Panhwar
Correct Answer: 12 persistent organic pollutants ✔
Last Updated: December 31, 2019