| Giver | Post | Date |
| SnorLax_7 | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 12-Nov-2023 |
| Candy-P | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 06-Nov-2023 |
| raka99 | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 07-May-2023 |
| kuldeepkrlhd | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 16-Oct-2022 |
| KeepMovingForward | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 29-Jul-2020 |
| ankitarya12 | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 24-Jul-2020 |
| Vitz | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 07-Jul-2020 |
| sweetapricot | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 29-Jun-2020 |
| Farzanehh | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 11-Feb-2020 |
| sarahba | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 30-Nov-2019 |
| sshwetima | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 31-Oct-2019 |
| Sankhadip | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 07-Sep-2019 |
| TumbleDore | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 12-Nov-2018 |
| sumitkrocks | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 13-Oct-2018 |
| agarwalkartikeya | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 01-Aug-2016 |
| TooLong150 | Re: Sulfur dioxide, a major contributor to acid rain, is an especially ser | 24-Sep-2014 |