Which is a commercial use for lactic acid fermentation?

a. brewing beer

b. baking

c. making wine

d. making cheese

The correct answer is making cheese.

Lactic acid fermentation is the process by which the lactic acid bacteria converts sugar to lactic acid. Cheese is made by using cultures that can produce acid from milk sugar lactose with the breakdown of protein and sometimes the addition of gas is also done. There are many variety of cheese that can be produced from this process.

i think that it is plants

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".