1. take out the vivarium box
2. place the vivariums on the four scales on both arms
3. place a glass tube on the right two-armed scale
4. shrink down and enter the portal to the right side of the left scale
5. make a fire
6. go outside through the portal
7. observe the left scale from outside.
8. enter the open portal to the right
9. start a fire
10. use the portal to go outside.
11. go outside and observe the scales on both arms
<Result
- Burning wood, charcoal, and candles: Burning wood, charcoal, and candles produces water vapor and carbon dioxide.
