Match List-I and List-II and select the correct answer from the codes given below:
| List-I | List-II | ||
| P | Montreal Convention | 1 | Ozone layer depletion |
| Q | Rio Summit | 2 | Reduction and control of Greenhouse Gas emission |
| R | Ramsar Convention | 3 | Convention on Biodiversity |
| S | Kyoto Protocol | 4 | Wetland Convention |
1
P-3, Q-2, R-1, S-4
2
P-4, Q-3, R-1, S-2
3
P-1, Q-3, R-4, S-2
4
P-1, Q-2, R-4, S-3