The values for the ____ and type attributes specify that user agents should read the external document as a style sheet written in CSS. a. rem b. ref c. rel d. res
The correct answer is c. rel.
In HTML, the rel attribute is used in the <link> element to specify the relationship between the current document and the linked document, such as a stylesheet. The type attribute can also be used to specify the type of the linked document, typically set to "text/css" for CSS stylesheets.