Shape. I think this is the right answer have a good day!
During aerobic respiration, NADH delivers electrons to electron transport chain, and then oxygen captures electrons at the end and joins with hydrogen to form water
Answer is C A 20kg object
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Anammox (anaerobic ammonium oxidation), which is a reaction that oxidises ammonium to di-nitrogen gas using nitrite as the electron acceptor under anoxic conditions, was an important discovery in the nitrogen cycle.