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Sep 25, 2019 at 22:34 vote accept TheDyingOfLight
Sep 25, 2019 at 2:50 answer added Logan R. Kearsley timeline score: 4
Sep 25, 2019 at 1:51 answer added Crouse timeline score: 4
Sep 25, 2019 at 0:43 comment added TheDyingOfLight @Renan interesting idea, but I can't really see why an entire biosphere would transform all the water into H and O and use the H with atmospheric N to produce ammonia. If you could explain that part it would be a solution. Unless the biosphere was engineered to do so, which solves the issues of why, but is cheating.
Sep 25, 2019 at 0:38 history edited TheDyingOfLight
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Sep 24, 2019 at 20:27 comment added The Square-Cube Law How about an accumulation of ammonia due to some alien biological process?
Sep 24, 2019 at 19:55 history asked TheDyingOfLight CC BY-SA 4.0