Question

which is a similarity between alcohol fermentation and aerobic respiration?
both require oxygen.
both require light energy.
both start with glycolysis.
both produce alcohol.

Explanation:

Alcohol fermentation is an anaerobic process starting with glycolysis. Aerobic respiration also starts with glycolysis. Alcohol fermentation doesn't require oxygen and doesn't need light energy, and aerobic respiration doesn't produce alcohol.

Answer:

Both start with glycolysis.