Activity for yado
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
What would kill all flora on Earth and what would happen with the atmosphere I need an Earth where the atmosphere has become unbreathable for humans and animals because all plants have died. But everything else should stay pretty much the same. So here are my questions: What could kill all flora on Earth over a period of several years without humans being able to stop it? ... (more) |
— | over 8 years ago |