Keyword "chalcogen"

2 sites have this keyword listed in their metadata, here's one you may hate:

8 - Oxygen
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...
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?16 - Sulfur mike-smith 1,912 (3.86)