Probiotics main function is to promote healthy bacteria in our digestive system. When a person is sick or exposed to a harmful bacteria the person digestive system becomes unbalanced. Probiotics fight off the invaders and restores the gut health preventing inflammation and infection. While they fight do fight off bad bacteria we can still end up sick from food borne illnesses. Therefore, Option three explains the main idea and role of probiotics in our body.
Your answer should be A. Protons. Hope this helps! =^-^= (Student btw)
Scientist, a fact is something that can be tested by anyone with the proper skill and equipment, and that repeatedly and reliably gives the same result every time. A scientific theory is a body of knowledge based on facts that describes their interaction in the simplest possible way