With backward chaining, when is reinforcement provided? After the final step of the behavior chain Reinforcement should not be provided After the first step of the behavior chain Reinforcement can be provided at any point during the behavior chain

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?