Step 1: Understanding fermentation products.
Alcoholic beverages are produced by fermentation of sugars present in different raw materials.
Step 2: Raw material for beer.
Beer is prepared by fermenting malted barley using yeast.
Step 3: Comparison with other drinks.
Wine is obtained from grapes, rum from sugarcane molasses, and whisky undergoes distillation.
Step 4: Conclusion.
Beer is obtained from fermented grains, mainly barley.