Answer:
I think it's all of them.
A: because fragmentation in multicellular organisms is a form of asexual reproduction in which an organism is split into fragments
Anything in the mouth, really. Gingivitis, for example. By brushing your teeth regularly (in the mornings, after lunch, dinner, at night etc.) you can prevent this i.e Good Hygiene. A common prescription medication would be <span>Erythromycin or Penicillin.
Hope this helps!</span>