Clue | Source | Date |
---|---|---|
Methane, it's produced when vegetation decomposes in water (5-3) | ||
Swampy emission making gash in planet (5,3) | ||
Methane planet has -- breathing ultimately 'restricted'! | The Telegraph Cryptic | 08 Sep 2022 |
Methane from bogs | The Times Concise | 27 Sep 2018 |
Ignis fatuus source | ||
Methane from a swamp |