The class declaration begins with the word ____, which makes the class "visible" to those who might want to use it.

Computers should NEVER be placed on which of the following materials?

A. Carpet B. Wood C. Tile D. Plastic

When two slides contain similar information and have the same format, _________________________ one slide and then making minor modifications to the new slide saves time and increases consistency.

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