I think the correct answer is D...
Answer: it is the last one
Explanation:
Social factors like media can lead to the development of an eating disorder. Magazines, television, etc. can inspire an individual negatively and cause them to develop ed. Peers can also inspire individuals to develop ed.
Hope I somehow helped, I'm still an amateur.
Epithelial cells are packed tightly together. The cells form a continuous sheet forming a barrier between internal organs and the outside environment. It protects the tissues that lie beneath from physical trauma, invasion of pathogens, toxins, radiation, desiccation etc.