Question

what do you mean by fermentation​

Answer 1

Answer:

break down of a substance by bacteria or yeast

Answer 2

Fermentation is a metabolic process in which an organism converts a carbohydrate, such as starch or a sugar, into an alcohol or an acid. For example, yeast performs fermentation to obtain energy by converting sugar into alcohol. Bacteria perform fermentation, converting carbohydrates into lactic acid.