Home Biology Living and dead organisms are reservoirs of oxygen carbon nitrogen none of the above Living and dead organisms are reservoirs of oxygen carbon nitrogen none of the aboveBiology AlyssamaizeOctober 22, 20213 CommentsLiving and dead organisms are reservoirs of oxygen carbon nitrogen none of the above
I think its A) Oxygen
Well recall we breath in oxygen, but release carbon. Carbon is the answer.
I think it's carbon, hopfully that helped.