If your roommate tries to convince you that the college cafeteria uses leftovers from students' dinner trays to make stew for the next day's lunch by arguing that he has never seen the leftovers actually thrown out,what argument is your roommate using

A)  reification
B)  an appeal to ignorance 
C)  logic
D)  an appeal to knowledge

Appeal To Ignorance

A fallacy in arguments where a conclusion is based on an absence of evidence, rather than the presence of evidence.

College Cafeteria

A dining area within a college or university where students, faculty, and staff can purchase and eat meals.

Leftovers

Food that remains uneaten at the end of a meal and is often saved for later consumption.