<span>Schlosser next focuses on the safety not just of factory workers in the meatpacking industry, but of the meat itself that that industry produces. Schlosser notes, throughout the chapter, that it is actually quite difficult to track the source of food-borne pathogens in the United States. There are several reasons for this, some more preventable than others: a great deal of meat is produced in this country; government oversight in meatpacking plants is rather low; and meat production is a complex system with many inputs, making cause and effect hard to determine.</span>
I think that B is in the active voice.
People write letters, journals,and diaries because some people can write about how they felt or to get ride of anger. Sometimes people will write about their mental problems and how that is affecting their lives everyday. some people write for the fun of it. some people records things in letters, journals, and diaries. Those are a few reasons why people write letters,journals,and diaries. <span />