According to chapter 9 in fast food nation, how does manure get into the meat at slaughterhouses and hamburger grinders? a. manure is deliberately shoveled into piles of meat to increase the volume. b. the knives of slaughterhouse workers are not cleaned often enough. c. cooks fail to bring meat to a high enough temperature to kill pathogens. d. visitors often fail to clean their shoes, and they spread infectious agents on the floor.

B. The knives of slaughterhouse workers are not cleaned often enough.

Fast Food Nation: The Dark Side of the All-American Meal is a book by journalist Eric Schlosser that examines the influence of  the United States fast food industry, both at a local and a global level. The book has also been adapted into a 2006 film of the same name, directed by Richard Linklater.

the answer is c because info security should not use them for code

i'm not sure i'm so sorry i will see what i can do