Activity for Xm7X
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
How many people can live on the oxygen provided by Earth? I want to know the how many people can live on Earth's oxygen. Is there a point when humans would use up all the oxygen? What would be the limiting factors? Given we have charts to show the rate of growth, can we predict the date Earth will reach maximum capacity? Has anyone put a hard number on this... (more) |
— | almost 9 years ago |