I've looked us up ever since you posted it the only thing I can come up with is letter A because it talks a lot about Mountain chains that talks a lot about the ocean floor and the Hawaiian stuff so try a
Answer:
Carbon Cycle: the series of processes by which carbon compounds are interconverted in the environment, involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels.
Explanation:
The answer is D because bacteria is one or more cells.
Guard cell o is ordered to opening and closing of stomata.
The two sources of organic wastes that are produces by aquatic system are Nitrogenous- Ammonia and the decaying remains.
Ecosystem in the body of water is known as aquatic ecosystem. there is also life in the water. Marine ecosystem and freshwater ecosystems are the two types of Aquatic Ecosystems. Lentic, lotic and wetlands are further types of freshwater ecosystem.