Does anyone know how to change their username on :/

Are segments of dna that determine traits and are passed down from parents to offspring.

What is linux? an open source operating system a version of ms dos the first version of unix the newest technology available

Match the following. 1. show grouping of word processing tasks that can be performed quick access toolbar 2. shortcut location for commonly used elements scroll bars 3. organized commands used to modify documents ribbon 4. used to align and measure content in a word screen zoom bar 5. vertical and horizontal bars that are used to navigate through a document contextual tabs 6. displays the name of the document in use ruler 7. allows users to enlarge or shrink a visual of a word document title bar