A or C
Explanation:
Gas does not have a volume correct me if im wrong
Aerobic respiration happens in the mitochondrion of eukaryotic cells.
Anaerobic respiration does not use oxygen gas and happens in one process after glycolysis called Fermentation.
The process used to make beer would be a kind of fermentation, Alcohol fermentation, I believe.
Precipitation and runoff, Hope this helps!
The tube that connects the mouth to the stomach.
