Idk if this is a question but all options would be Pp
<span>if you increase concentration of one side it will shift to the</span>gv
When oxygen is scarce, pyruvic acid can accumulate and is converted to carbon dioxide and ethanol which causes formation of pyruvate to yield acetaldehyde
Energy in the form of ATP is needed for both processes. Once there is ATP, the cell will undergo anaerobic or aerobic respiration depending on the availability of oxygen.
NOTE*
Aerobic: requires oxygen
Anaerobic: does not require oxygen