If the germ theory is relatively new, how do they think fermentation was happening (like wine, ale, yogurt etc.) thousands of years ago?

Question

If the germ theory is relatively new, how do they think fermentation was happening (like wine, ale, yogurt etc.) thousands of years ago?

In: 613

Answer 1

IMO you can just believe that before figuring out the true nature of ANYTHING, humanity just believed that it worked by MAGIC.

So, the answer is: MAGIC.