Absence of oxygen
fermentation is an anaerobic (meaning doesn't require oxygen) process
Intestine, the intestine digests food involuntary.
The right answer for the question that is being asked and shown above is that: "TRUE." <span>An alluvial fan may form where a stream flows out of a narrow mountain valley, slows down, and deposits sediment. The statement is true as far as the alluvial fan is concerned.</span>