When looking for another word that means the same as "ruler," you could use the

When in Slide Master view, the largest slide image in the thumbnail pane represents the:

A) content and layout format. B) Office Theme title slide. C) Office Theme Slide Master. D) slide design style.

Guglielmo Marconi is credited as the person who invented the ___________, a device that sends and receives sound as electromagnetic waves.

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