I think it would be the first ones with lower o2 because fish dont breathe oxygene
Answer:
A decomposer is found at the end of a food chain.
Factory Emissions is going in the wrong direction. The arrow should be pointing upward, as factory emissions release carbon into the atmosphere.
Answer:
pulmonary circulation
Explanation:
The pulmonary circulation moves the blood between the lungs and heart. Since the blood carries oxygen the heart pumps it to every body part including the lungs so we can maintain homeostasis.
Because they are prokaryotic cells.