Answer:
using Microsoft power point .
Explanation:
Start by opening a "Blank presentation" in PowerPoint. ...
Select the "Title Slide" option. ...
Type in your title and subtitle. ...
Select a background for the entire presentation. ...
Add new slides. ...
Set the transitions for your slides. ...
Add some more pizzazz to your presentation with animation!
Answer:
the visibility persists as long as both A and B exist.
Explanation:
Global visibility basically means that the visibility persists as long as both A and B exist. In programming global visibility signifies that the variable/data in question is visible from any context of the code. Meaning that it can be accessed and manipulated from any part of the code, even from within a function or another document. This makes it very easy to use and structure accordingly.