The can be described as a chemical factory.
a. liver
c. gallbladder
b. appendix
d. rectum

A. Liver
the liver is the chemical factory of your body, as it takes substances and changes them into other substances that your body needs.

Volcanoes make new rocks so not ahotspots are the the stuff that makes volcanoes mid atlantic ridge(mar cause i’m lazy) is a constructive plate boundary so it makes sense that new rocks would be found near it, also the mar is in the middle of the ocean so it fits the description deep ocean trench, umm, there’s no ocean trenches to where you’re goingso the mar is most likely the answeri wouldn’t trust me but hey why not