<span>C. Several billion,,,,,,,,,,,,,,,,,,,,,</span>
Doctors are able to see inside your body without having to cut you open
Is this a multiple choice question or...??
If not, I'd say, that its simple as scientists can easily decipher which variable caused the situations result. And thats because you may have one manipulated variable to be able to know the responding variable.
The microbiome refers to the collection of genomes from all the microorganisms in the environment. Microbiota, on the other hand, usually refers to microorganisms that are found within a specific environment. Microbiota can refer to all the microorganisms found in an environment, including bacteria, viruses, and fungi.