Templates, themes, and slide masters provide users with various methods for creating and customizing presentations. what are advantages of using slide master view to make global changes instead of using templates or themes? check all that apply.

1.) changes can be made to positioning and style formatting in the same view.
2.) specific objects, such as images, can be inserted globally.
3.) a gallery of different settings allows users to quickly preview new styles.
4.) background colors and font styles can be changed with just one click.
5.) custom versions can be made and saved in a gallery to use in later presentations.
6.) changes can be made to a presentation that has already been written.

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