tRNA brings amino acid molecules to the ribosomes during protein synthesis
Answer:
The top blank is atmospheric CO2, the right blank is combustion (i think, I can't see the bottom), the left blank is plants use CO2, the bottom blank is organisms release CO2.
Explanation:
From what i understand of the question, its water? Im not sure exactly what the question is asking, sorry :/
I think that the answer is C. roots. I hope that this helps. If it does vote me brainliest please!!