Flushed skin C. Hope I helped! :D brainliest?
Confused on what you want answered
B i'm pretty sure. hope this helps
With the usage of antibiotics increasingly the microbiomes of people in the United States has lacked the diversity. Due to this there will be inefficiency in the functions of human immune system. Reducing the use of antibiotics reduces the damage to the bacteria in the body helping the growth of these microorganisms called microbiomes.
