What is the path of a carbon atom in cellular respiration

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast