Why is there more oxygen and carbon dioxide near the surface of the ocean than near the ocean floor? organisms near the ocean floor cannot process these gases, so there is more gas at the surface. the salinity of ocean water traps these gases and prevents them from escaping into the atmosphere. organisms near the surface do not use up these gases, so there is more gas at the surface. the exchange of these gases between water and the atmosphere occurs more readily at the surface.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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the form of energy changes and the total energy increases0l