The acid eats the carbonates
Answer: algae
Explanation:
Algae are found in water environment. It uses photosynthesis to produce its food from carbon dioxide in the atmosphere, also in the presence of sunlight.
Unlike other options, algae is the only producer in the food web
Prokaryotic cells are usually found in e.coli. E. Coli cells are often found in the lower intestines of mammals
Oxygen
If it's aerobic respiration, it's only Oxygen. If it's anaerobic respiration, it's usually an organic molecule which results in the creation of ethanol or lactic acid. so its c on ed
The importance is that the second one has more surface area because it has the outside are and the inside area too