The ________ worksheet displays the entire change history and does not display again when the workbook is closed and reopened

________ recommends music to you based on your, and your friends, listening preferences

A) Picasa B) Pandora C) Flickr D) SnapDragon

________ the contrast and softness of a picture can make it fade into the background

A) Increasing B) Sharpening C) Reducing D) Highlighting