Acids break down the sandwich and it goes into the intestines and the enzymes and bacteria break it down more then it is absorbed into the intestines through the body.
Large organisms include...
Mammals (Mammalia)
Stem-mammals (Synapsida)
Reptiles (Reptilia)
Dinosaurs (Dinosauria)
Balls and balls and balls and balls and balls
Yes, it could be.
But there are also many other things it could be the result of.
Roots
leaves
the stem
reproductive organs, such as male and female sex organs in flowers.