Keyword "chalcogen"
2 sites have this keyword listed in their metadata, here's one you may hate:
President Skroob inhaling livegiving canned air. While the majority of the air we breathe is nitrogen, about 21% of it is oxygen, which is needed by aerobic lifeforms to sustain metabolism.
Other sites with this keyword...
| site | user | views | score |
|---|---|---|---|
| ?16 - Sulfur | mike-smith | 2,065 | (3.86) |