It takes 3 days or less for some food leftovers or even just wet spots on wood in room temperature to start growing a good amount of bacteria all over it, so how is it that like all of the ground and other organic material out in the elements aren’t completely covered in mold and algae after billions of years?
In: Biology
It is. With the exception of some of the dryest and coldest parts of polar ice caps and very specially-sterilized labs, microorganisms coat every single square inch of Earth, from the highest mountains to the deepest trenches to the inside of your body. They’re not thick enough to have a noticeable texture on a “clean” surface, but they’re still there.
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