The biggest difference in the microbiota can be seen in : ( B ) your cheek versus your friend’s cheek.
<h3>What is Microbiota </h3>
Microbiota is the microorganisms present in specific region or area and It protects the region from harmful indigenous microorganisms as well. The microbiota specie that is present in an individual varies greatly from the microbiota species present in a different individual.
Therefore the Microbiota species present in your cheek will vary greatly from the microbiota species present in your friend's cheek.
Hence we can conclude that The biggest difference in the microbiota can be seen in your cheek versus your friend’s cheek.
Learn more about Microbiota : brainly.com/question/9870114
I believe the answer is D) reactivity. Hope this helps. (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧
A cell is <span>the smallest structural and functional unit of an organism. It effects the body by making and strengthening tissue, fighting unwanted cells, and by giving off oxygen throughout the body.</span>
