Some blue cheeses are injected with spores before the curds form and others have spores mixed in with the curds after they form. Blue cheeses are typically aged in a temperature-controlled environment such as a cave. Blue cheese can be eaten by itself or can be spread, crumbled or melted into or over foods.
Quick Answer. Vinegar is a liquid mixture composed of acetic acid and water. It is produced by fermenting ethanol which causes bacteria to produce acetic acid as a byproduct. Continue Reading.
Well. . . let's say that vinegar is one substance that has acetic  acid in it. Acetic acid can be pure or it can be mixed with other  liquids for other purposes. For exampl â¦ e, acetic acid was and is  used at a certain time in developing camera film to stop the  developer fluid from developing any further.