A(n) tooltip is descriptive text that appears whenever a user positions the mouse pointer over a link.

Exceptions can be thrown by ________.

a. the Java Virtual Machine. b. code in a try block. c. calls from a try block to other methods. d. All of the above.

Newer browsers that support media queries recognize the ____ keyword and continue to load the style sheet for screen devices that support color.

A. only B. any C. some D. none