Activity for Daniel R. Collinsâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
What is the smallest land mass to support human civilization? Let's say we have an Earth-sized planet and the same general solar activity and climatology. However, the continents are much smaller, and it's effectively impossible to accomplish travel between them (due to distance, inability to navigate, lethal oceanic weather, or something). That is, any island ... (more) |
— | over 5 years ago |