Chemistry

via Sven:

[H2O] -> [H+] + [OH-]

Things in water: HCO+ , H2CO3-, H2O, H3O+ (Hydronium [very rare]), H+, OH-, H+, H2CO2

There is way more H2O than any of the others. H+ buffers against pH because it can bond and release.

0.005m <= F <= 0.018m

m = mass

F = food required per day

Nitrogen Cycle