I think the answer to your question is WATER but im not totally sure.
Atlantic and Pacific Ocean
I would go with B.
Because CO2 is taken through the stomata in the 2nd stage of photosynthesis
Answer:
Abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.
Biotic factors, can be described as any living component that affects another organism or shapes the ecosystem.