The process whereby expectations about a person cause the person to ehave in waqys that confirm the expectations is called

Social Psychology a general term for the processes by which people come to understand one another ... a group of theories that describe how people explain the causes of behavior :)

Hope this helped! 

-Jina Wang, Middle School Student

The one that most represents the earths mantle would be the skin since the mantle is the upper part of the earths depths which is just like the skin of an apple.