The noun phrase which would be the object in active voice sentence will become the subject phrase in passive voice sentence. Here, the 'subject' is 'acted' up on by the 'verb'.
In the given sentence, ‘you’ is subject, ‘visit’ is verb and zoo is object is in interrogative form in active voice. Now the passive voice statement has the subject ‘you’ acted up on by the verb ‘visit’.
Microsoft PowerPoint is a powerful slide show presentation program.
It is a standard component of the company's Microsoft Office suite software, and is bundled together with Word, Excel, and other office productivity tools.
The program uses slides to convey information rich in multimedia.
The menu bar is the part of a browser or application window, typically at the top left side, that houses drop-down menus that allow the user to interact with the content or application in various ways.