Question

presence of undesirable microorganisms in fermentation​

Answer 1

$\sf{Answer}$

• Two main species are used in the fermentation process: Saccharomyces cerevisiae (top-fermenting, since it forms foam on top of the wort) and Saccharomyces uvarum (bottom-fermenting). Top-fermenting yeasts are used to produce ale, while bottom-fermenting produce lagers.

$\sf{Answer\:by\:UnicornRahuL}$

Answer 2

Answer:

this is your answer okkk