In order to teach a child to request something, there has to be an , because the reinforcer for engaging in the behavior of requesting is the actual item that he or she asked for. abolishing operation satiation discriminative stimulus establishing operation

2. explain the two different types of egyptian calendars. 3. what architectural advances did the ancient egyptians make? what impact do these advances have on our lives today? 4. what did egyptian art usually depict? how does this compare to forms of art that we see today? 5. what all was found in king tut’s tomb?