Bacteria, such as e. coli are simple, single-celled (unicellular) organisms. elodea, also known as water weed, is a plant that is commonly used in aquariums. which of the following is a main difference in cell structure between an e. coli and an elodea cell?

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

it's c. (to reduce the greenhouse effect/carbon gasses)