Answer:
372836
Explanation:
just use your brain do you know how to add?
Answer:
1.It helps to digest our food.
2.It is used as antibiotics to treat bacterial infection and disease.
3.It is used by humans to create food products such as cheese, yoghurt, pickles, soy sauce and vinegar.
4.It is use to break down our sewage and to clean up oil spills..
C. Vestigial structure is the correct answer
The answer I would choose is c