I'm not sure if they breath air but they are living things, they live by all the parts of the seaweed absorb water, carbon dioxide, minerals, and sunlight for photosynthesis.
so it wasn't really a stupid question everyone always wonders likes like that;
Like I'm still trying to figure out what was a man doing to a poor cow to work out they give milk? O.o question yet to be solved.
hope this helps ya
Hahahahah!!! Oh Alfonso.... Hahahah!!! :DDD
i know i know, that was a stupid question
LOL, yea i wonder that too, thanks! :*)
lolz your welcome :3