User contributions
- 04:23, 3 June 2023 (diff | hist) . . (+158) . . Talk:2784: Drainage Basins
- 20:40, 2 June 2023 (diff | hist) . . (+2) . . 2783: Ruling Out (→Explanation: clarify)
- 09:28, 1 June 2023 (diff | hist) . . (-7) . . 2783: Ruling Out (→Explanation: the subsequent sentences are sufficient)