1) To switch to a different worksheet in a workbook, click the ___ at the bottom of the worksheet window.

a) worksheet title bar

b) worksheet button

c) worksheet tab

d )Excel button

2) What is important to remember about the Undo history list?

a) You can only undo commands in the same reverse sequence they were performed

b) You can only undo the entry of numbers (not text)

c) The history list exists until you click save

d) Once you undo an action you cannot use the repeat function