Gillian opens her umbrella as soon as it starts raining, so her clothes won't get wet. In this scenario, the act of opening the umbrella is an example of behavior and the possibility of her clothes getting wet is an example of reinforcement.

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?