Each column in a Column chart represents a ________

When an audio file has been inserted on a slide, a ________ icon displays to represent the file

A) black megaphone B) mouth of a person C) gray speaker D) black microphone

In the above figure, when you apply the Multiply blending mode to the circle, which of the following is true?

A. parts of the circle will be lighter B. parts of the circle will be darker C. parts of the circle will be opaque D. parts of the circle will become locked