Answer:
The function of the appendix is unknown. One theory is that the appendix acts as a storehouse for good bacteria, “rebooting” the digestive system after diarrheal illnesses. Other experts believe the appendix is just a useless remnant from our evolutionary past.
The answer is b. Hope this helps :)
D. all of the above because
Repair of damaged tissue.
Growth of an organism.
Replace old and dying cells.
Answer:
Characteristics used to classify stars include color, temperature, size, composition, and brightness.