You can change the transparency of a picture used as a slide's background with the ____.

A) Transparency tab
B) Transparency menu
C) Transparency button
D) Transparency slider

Transparency Slider

A tool in graphic design software that allows users to adjust the opacity of an image or graphical element, making it more or less transparent.

Slide's Background

The visual layer found behind the content of a slide in a presentation, which can be colored, textured, or contain images.

Transparency Button

A tool or option in graphic design and presentation software that allows users to adjust the opacity of an element.