Activity for User2988
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Advanced civilization in high oxygen atmosphere There are 20 percent oxygen in our atmosphere, what if the oxygen is higher above 20 percent but instead was 35 percent oxygen. If so would an advanced civilization exist in this environment? Would metal rust quicker? (more) |
— | almost 8 years ago |