If paragraph 1 is selected and bold applied, paragraph 3 selected and underline applied, and paragraph 5 selected and the F4 key pressed, paragraph 5 will be both bold and underlined

A ________ is used to copy the contents of one cell to another

A) function B) reference C) fill handle D) formula

If the file extensions are turned off, you can identify the file type by its ____________________.

Fill in the blank(s) with the appropriate word(s).