Substances in living things that absorb or give off h+ ions in order to maintain ph balance are known as
a).solutes
b).buffers
c).hydrogen bonds
d).acids

The correct answer for this question is B. Substances in living things that absorb or give off H+ ions in order to maintain pH balance are known as buffers. They do this through rejecting any change in acidity and counteracting it.

I'm soooo sorry but i can't answer but you can ask another professor