Agame of peek-a-boo with his dad excites william during his first six months of his life because he actually thinks his dad has disappeared. william lacks:
a. a sense of object permanence.
b. a theory of mind.
c. stranger anxiety.
d. egocentrism.

A. flexibility in religious services

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.