Although now it causes more harm than good because it doesn't really have a purpose, it is believed it once was used for humans to digest bone.
I think it is C, but I could be wrong because I am taking an educated guess.
Answer:
Good question! Hamburgers actually get their name from Hamburg, Germany, home of a cut of beef called the Hamburg steak that eventually evolved into what we now consider hamburgers
Cell wall is the structure in the leaf cell that is responsible for this difference.
Bacteria is good, but there is some bad. in this case, your talking about your digestive track therefore, this is good bacteria and what bacteria does is it breaks down the stuff that your body cannot break down by itself so the answer is C I hope this helped and I hope it was the branist answer