________ create visual cues about how a Web page is organized

Two integers are relatively _________ if their only common positive integer factor is 1.

Fill in the blank(s) with the appropriate word(s).

The CSS @rule that imports an external style sheet file located at ur1 is _______.

A. @import url(url) media B. @charset "encoding";. C. @namespace prefix uri D. @media media { styles }