The word that describes a process that can only happen in the presence of Oxygen (such as the final stage of respiration, the <em />Electron Transport Chain) is Aerobic.
Conversely, if a process does not require the presence of Oxygen (such as glycolysis, the first stage of respiration) we can say that it is anaerobic.
"Scarus frenatus" I think
I think it would be B study of soil fertility
Description: Soil fertility refers to the ability of soil to sustain agricultural plant growth, i.e. to provide plant habitat and result in sustained and consistent yields of high quality.
I hope this helps. If it does, please mark brainliest.
