When the number of references to an object becomes , that object is marked for garbage collection.

The ________ is the top slide in a hierarchy of slides

A) notes master B) title slide C) handout master D) slide master

All of the following statements are TRUE about tracking changes EXCEPT:

A) As long as workbooks are shared, you can view the changes made and continue making changes to the shared workbooks. B) Change history is information that is maintained about all changes made in past editing sessions to the shared workbook. C) When you save the workbook, the History worksheet will be hidden and you will have to use the Track Changes options to add the History worksheet again. D) Once you stop sharing the workbook, the change history will remain intact.